| Sir Robert de Willoughby Kt. (~1210 - <1257) |
John Beke Baron Eresby (~1220 - ~1304) |
| Margaret de Orreby (~1210 - ) |
| Sir William Willoughby | Alice Beke |
| b. abt 1230, Willoughby with Sloothby, Spilsby, Lincolnshire, England d. bef 29 Mar 1300, Eresby, Lincolnshire, England bur. occ. cen. im. . ud. |
b. abt 1240, guess - Eresby, Lincolnshire, England d. bur. occ. cen. im. . ud. |
| Sir Robert Willoughby Sir Thomas Willoughby Kt. |