| Godfrey OF LOUVAIN , Duke of Louvaine & Brabant (? - 1139) |
William DE PERCY , Baron Percy (1112 - 1175) |
| Unknown (? - ?) |
Alice DE CLARE (? - ?) |
| Joscelyn DE LOUVAIN | Agnes DE PERCY |
| ali. b. ? bp. d. 1180 bur. occ. rel. edu. |
ali. b. ? bp. d. bef Oct 13, 1204 bur. occ. rel. edu. |
| Henry DE PERCY |