| Robert Marmion of Tanfield, Yorkshire |
Richard fitz Roy (or de Warenne) Knt., Baron of Chilham, of Chilham, Kent (~1186 - <1246) |
| Avice fitz Hugh |
Rose de Dover (~1195 - <1261) |
| William Marmion Knt., of Tanfield, Yorkshire, etc. | Lora (or Lorette) de Dover (or de Chilham) |
| b. aft 1222, Minor in 1243 d. 1275/1276 bur. occ. cen. im. . ud. |
b. abt 1219, guess d. bur. occ. cen. im. . ud. |
| John Marmion Knt., 1st L. Marmion, of E. & W. Tanfield, etc. |