Roger Heron( - bef 15 Mar 1333) Sir Thomas de Gray
Elizabeth de Swinburne( - bef 1326) Agnes
William Heron Lord Heron Isabel de Gray
b. ca Nov 1304
d. 21 Dec 1379
1st s. 1st baron: 1371. On campaigns over 17 years.
b.  
d.  
 
Children
Sir Roger Heron(ca 1350 - bef 1400)