I have been reading a book about Big Bear, it mentioned a brother Louis, Edouard and a sister Alice. It 3 sons Dark Claw, Wild Horse, and Okemow Peeaysis and a daughter married to Frech Eater. There is no mention of a mother for these children. With a women named Sayos he has 2 boys Imasees married to a daughter of Lucy Man, Twin Wolverine, and a daughter Nawakeech married to Lone Man.
With his youngest wife he had a son Horsechild who changed his name to Joe Peemee and a daughter Earth Women
WTH HIS SECOND WIFE HE HAD King-bird dit sky-bird a son
No children are mention with his last wife.
There is no mention of a Antoine or a Pierre as being his brother's