Sir Robert de Mortimer
Sir Robert was born in 1155 in Attleborough, Wayland, Norfolk, England.  He died at the age of 62 on September 21st, 1217.

 Alice de Munchesni
Alice was born in 1155 in Gooderstone, Swaffham, Norfolk, England.  Alice is no longer alive.

 William de Mortimer
William was born in 1180 in Attleborough, Wayland, Norfolk, England.

 Robert de Mortimer
Robert was born in 1182 in Attleborough, Wayland, Norfolk, England.