Editing Richard of Cornwall (section)

===First wife===

Richard married first, on 30 March 1231 at [[Fawley, Buckinghamshire]], to [[Isabel Marshal]] (d. 1240) was the daughter of [[William Marshal, 1st Earl of Pembroke]], by his wife [[Isabel de Clare, 4th Countess of Pembroke|Isabel de Clare]], who in turn was daughter of Sir [[Richard de Clare, 2nd Earl of Pembroke|Richard "Strongbow" de Clare]] and [[Aoife MacMurrough]]. Isabel Marshal died on 17 January 1240 while giving birth at [[Berkhamsted Castle]] and was buried at [[Beaulieu Abbey]]. By Isabel Marshal he had four children, of whom only one reached adulthood:<ref name="ReferenceA">{{Harvnb|Richardson|2011a|pp=566–571}}</ref>
*John of Cornwall (31 January 1232 – 22 September 1232), born and died at [[Marlow, Buckinghamshire]], buried at [[Reading Abbey]].
*Isabel of Cornwall (c. 9 September 1233 – 6 October 1234), born and died at Marlow, Buckinghamshire, buried at Reading Abbey.
*[[Henry of Almain|Henry of Cornwall]] (2 November 1235 – 13 March 1271). Known as "Henry of [[Names of Germany#Names from Alemanni|Almain]]" (Germany). He was buried at [[Hailes Abbey]] in [[Gloucestershire]]. He had no children.
*Nicholas of Cornwall (b. & d. 17 January 1240 at Berkhamsted Castle), died shortly after birth; buried at Beaulieu Abbey with his mother.