This is a Message Board Post that is gatewayed to this mailing list. Surnames: McClain, Harris Classification: Query Message Board URL: http://boards.ancestry.com/mbexec/msg/an/3kz.2ACIB/937.1.2.1 Message Board Post: Huh?? You misapprehend me, sir. I'm talking of situations such as my father and his brother marrying, respectively, my mother and her sister. But I could have worded it more clearly.