| Gerald fitz Gerald fitz Maurice fitz Gerald 1st Lord of Offaly (1150 - <1202) |
William de Cogan (~1160 - ) |
| Eva de Birmingham (~1150 - <1226) |
| Maurice fitz Gerald 2nd Lord of Offaly | Juliana de Cogan |
| b. 1190 d. 20 May 1257 bur. Youghal Monastery occ. cen. im. . ud. |
b. abt 1195 d. bur. occ. cen. im. . ud. |
| Thomas fitz Gerold fitz Maurice Maurice fitz Maurice Knt.. 4th baron of Offaly, Ireland, etc. |