Ralph de Mainwaring
Ralph was born about 1155 in Warmingham, Cheshire, England.

 Amicia de Meschines
Amicia was born about 1167 in Kevelioc, Merioneth, Wales.

 Roger de Mainwaring
Roger was born about 1195 in Warmingham, Cheshire, England.

 Bertred de Mainwaring
Bertred was born about 1197 in Warmingham, Cheshire, England.  She died after 1249.