William III deMontgomerie
William III was born in 1166.

 Alice Capet France
Alice Capet was born in 1150.  She died at the age of 49 in 1199.

 Countess Marie Jeanne dePonthieu
Marie Jeanne was born on April 17th, 1199 in Aumâle, Seine-Maritime, France.  She died at the age of 52 in 1251 in Abbeville, France.