Thomas de Monthermer, 2nd Baron de Monthermer

Arms of Monthermer: Or, an eagle displayed vert beaked and membered gules. These arms were later quartered by the Earl of Salisbury after the marriage of Margaret, 3rd Baroness to John de Montacute, 1st Baron Montacute. Thomas de Monthermer, 2nd Baron Monthermer (4 October 1301 – 24 June 1340) was the son of Ralph de Monthermer, 1st Baron Monthermer and Joan of Acre, a daughter of King Edward I of England. He was a first cousin of King Edward III of England.

Early life Thomas was born on 4 October 1301 in Stoke, Ham, Wiltshire. They had one daughter, Margaret, who in 1343 became the wife of John de Montacute, 1st Baron Montacute, the younger brother of William Montacute and son of William Montagu, 1st Earl of Salisbury. Their son John became the 3rd Earl of Salisbury and 4th Baron Monthermer.

Later life and death In 1340 he fought in the Battle of Sluys and died on 24 June from wounds he received in action.

Ancestry