Ralph de Mainwaring , of Warmincham, Justice
Ralph de was born in 1155 in Warmingham, Cheshire, England.  He died after 1210 in Warmingham, Cheshire, England.

 Amicia le Meschin
Amicia le was born about 1169 in Kevelioc, Merionethshire, Wales.  She died in Chester, Cheshire, England.

 Roger de Mainwaring , of Warmincham
Roger de was born about 1190 in Warmingham, Cheshire, England.

 Bertrade (Bertred) de Mainwaring
Bertrade (Bertred) de was born about 1196 in Mainwaring, Bersted, Sussex, England.  She died after 1249 in Hulton Abbey, Staffordshire, England.