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{{Quote|Marvolo, his son, Morfin, and his daughter, Merope, were the last of the Gaunts, a very ancient Wizarding family noted for a vein of instability and violence that flourished through the generations due to their habit of marrying their own cousins.|[[Albus Dumbledore]].|Harry Potter and the Half-Blood Prince}}
 
'''Inbreeding with pure-bloods''' is a common practice for elite wizarding families that uphold the tradition of marrying only pure-blood wizards of respected ancestry. It is noted that wizarding families are becoming more diverse as time passes as wizards begin to marry [[Half-blood]]s, [[Muggle-born]]s, and [[Muggle]]s. To keep with tradition in maintaining a purely wizard-blood family, families tend to marry within the family, particularly cousins. 
   
 
==The Black family==
'''Inbreeding with Pure Bloods '''is a common practice for elite wizarding families that uphold the tradition of marrying only pure-blood wizards of respected ancestry. It is noted throughout the series that wizarding families are becoming more diverse as time passes as wizards begin to marry half-bloods, mudbloods, and muggles. To keep with tradition in maintaining a purely wizard-blood family, families tend to marry within the family, particularly cousins. 
 
 
The [[House of Black]]'s family motto had always been "Toujours pur", which meant "Always Pure". Therefore, the family was strictly traditionalized to marry, if not extremely wealthy as their own family, respectable and noble families. The Black family took this motto to heart very seriously, and all family members who did not conform with the obsession to the pure-blood supremacy were disowned quickly. [[Squib]]s were also disowned.
==The Black Family==
 
The House of Black's family motto had always been "Toujours pur", which meant "Always Pure". Therefore, the family was strictly traditionalized to marry, if not extremely wealthy as their own family, respectable and noble pure blood families. The Black Family took this motto to heart very seriously, and all family members who did not conform with the obsession to pure blood supremacy were disowned without a second thought. Squibs, or wizards of wizard ancestry who did not possess any magical power whatsoever, were also disowned despite their condition being involuntary. The fact that many wizarding families are related to the Black Family indicates that inbreeding can happen even at a distant rate.
 
   
In desperation to keep with the tradition, some would go to extremes to keep the tradition. An example of this is Walburga Black and Orion Black. The two were second cousins, as both their grandparents were siblings, and had married to keep tradition and eventually had two children together. 
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In desperation to keep with the tradition, some would go to extremes to keep the tradition. An example of this are [[Walburga Black]] and [[Orion Black]]. The two were second cousins, as both their grandparents were siblings, and had married to keep tradition and eventually had two children together. 
   
Due to the large family tree of the Blacks, it is possible that related people marry or interact, not knowing of their relationship.
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Due to the Black family tree tapestry large family tree of the Blacks, it is possible that related people marry or interact, not knowing of their relationship.
   
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==Inbreeding relationships==
*Harry is the great-grandson of Dorea Black, who is the first cousin of disowned Cedrella Black, who married Septimus Weasley, father of Arthur Weasley, father of Harry's wife, Ginny.
 
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*[[Harry Potter]] and wife [[Ginny Weasley]] are possibly third cousins.
*Molly Weasley is the supposed niece of Ignatius Prewett (since being his niece justifies Sirius' statement that she is his cousin by marriage and not by blood, since being Lucretia Black's daughter would have made her cousins of blood) and is technically a distant relative of the Wealseys even before marriage.
 
*Harry and Draco are unknowingly second cousins, having the same great-great-grandfather Cygnus Black.
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*[[Arthur Weasley]] and wife [[Molly Prewett]] are possibly second cousins by marriage once removed.
 
*[[Molly Prewett]] is the supposed niece of [[Ignatius Prewett]] (since being his niece justifies Sirius' statement that she is his cousin by marriage and not by blood, since being [[Lucretia Black]]'s daughter would have made her cousins of blood) and is technically a distant relative of the Weasleys even before marriage.
*Nymphadora and Draco are first cousins, though this is never mentioned in the series.
 
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*[[Victoire Weasley]] and boyfriend [[Teddy Lupin]] are fourth cousins once removed.
*Neville Longbottom, Ronald Weasley and his siblings, Barty Crouch Jr., and Yaxley (the interrogator) could possibly be related.
 
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==Side Effects Of Inbreeding==
 
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==Side effects of inbreeding==
In general genetics studies (real life studies), it is proven that inbreeding can lead to serious problems, even for a wizard. Notable effects that are seen in families are infertility (which would explain the extinction of the Black Family), and disorders, both mental and physical. It is evident in many families (e.g. The Gaunt Family and notably insane Death Eaters of the Black Family) that insanity is a common resultant.
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In Muggle genetics studies, it is proven that inbreeding can lead to serious problems, even for [[Wizardkind|wizards]]. Notable effects that are seen in families are infertility (which would explain the extinction of the Black family) and disorders, both mental and physical.<ref>[http://en.wikipedia.org/wiki/Inbreeding Inbreeding]</ref> It is evident in many families (e.g. the [[House of Gaunt]] and notably insane [[Death Eater]]s of the Black family) that [[insanity]] is a common resultant.
[[Category:Pure-bloods]]
 
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==References==
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{{reflist}}
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[[Category:Pure-blood supremacism]]
 
[[Category:Procreation]]

Revision as of 13:32, 14 August 2015

"Marvolo, his son, Morfin, and his daughter, Merope, were the last of the Gaunts, a very ancient Wizarding family noted for a vein of instability and violence that flourished through the generations due to their habit of marrying their own cousins."
Albus Dumbledore.[src]

Inbreeding with pure-bloods is a common practice for elite wizarding families that uphold the tradition of marrying only pure-blood wizards of respected ancestry. It is noted that wizarding families are becoming more diverse as time passes as wizards begin to marry Half-bloods, Muggle-borns, and Muggles. To keep with tradition in maintaining a purely wizard-blood family, families tend to marry within the family, particularly cousins. 

The Black family

The House of Black's family motto had always been "Toujours pur", which meant "Always Pure". Therefore, the family was strictly traditionalized to marry, if not extremely wealthy as their own family, respectable and noble families. The Black family took this motto to heart very seriously, and all family members who did not conform with the obsession to the pure-blood supremacy were disowned quickly. Squibs were also disowned.

In desperation to keep with the tradition, some would go to extremes to keep the tradition. An example of this are Walburga Black and Orion Black. The two were second cousins, as both their grandparents were siblings, and had married to keep tradition and eventually had two children together. 

Due to the Black family tree tapestry large family tree of the Blacks, it is possible that related people marry or interact, not knowing of their relationship.

Inbreeding relationships

Side effects of inbreeding

In Muggle genetics studies, it is proven that inbreeding can lead to serious problems, even for wizards. Notable effects that are seen in families are infertility (which would explain the extinction of the Black family) and disorders, both mental and physical.[1] It is evident in many families (e.g. the House of Gaunt and notably insane Death Eaters of the Black family) that insanity is a common resultant.

References