William Willoughby(abt 1245 - bef 29 Mar 1300)Lord Edmund Deincourt(abt 1255 - 6 Jan 1326)
Alice Beke(abt 1250 - bef May 1311)Isabel de Mohun
b. abt 1271, Lincolnshire, England
d. bef 25 Mar 1317
br.  
occ.  
b. abt 1275, Blankney, Lincolnshire, England
d. bef 18 Oct 1333
br.  
occ.  
Children
> John Willoughby Lord of Willoughby(6 Jan 1303 - 13 Jun 1349)