Members of the Lockhart family.
“Lockhart is the surname of a Muggle family that has since married into wizards and has now some...Lockhart family
“The two Mses. Lockhart were the older Muggle sisters of Gilderoy Lockhart, former celebrity and...Gilderoy Lockhart's sisters
“Mrs Lockhart was the witch mother of Gilderoy Lockhart, former celebrity and Defence Against the...Gilderoy Lockhart's mother