| John (Lackland) King (1166 - 1216) |
Foubert de Douvres (ca1161 - ca1204) |
| Suzanne de Warenne (ca1166 - ) |
Isabel Brewer (ca1184 - <1233) |
| Richard fitz Roy | Rose (or Royce) |
| b. ca 1186 d. ca 1246 . Illegitimate son of King John. |
b. bef 1205 d. ca 1265 . Sole heir to feudal barony (2nd class) of Chilham, Kent. |
| > Isabella FitzRoy < Richard de Douvres > Lorette FitzRoy < |