 William De Mainwaring, son of William De Mainwaring and Agnes De Adrerne.Born 1225 at Over By, Middlewich, Cheshire, England, died 1286 at Over Peover, Cheshire, England, 60 or 61 years Married/ Related to: N.N. Child: 1. Roger De MainwaringBorn 1263 at Over By, Middlewich, Cheshire, England, died 1295 at ,, Cheshire, England, 31 or 32 years | |||
| 2nd marriage/ relation William De Mainwaring, son of William De Mainwaring and Agnes De Adrerne.Married/ Related to:  Agnes Of AdrerneBorn 1276 at Alford, Lincolnshire, England Child: 1. Roger De MainwaringBorn 1263 at Over By, Middlewich, Cheshire, England, died 1295 at ,, Cheshire, England, 31 or 32 years | |||
Adopted child: Roger De Mainwaring | |||