He was born in 1386-7 when his mother was in her 56th year, at Ashington, Somerset. In 1406, at about 19 years of age, he married Agnes de Mercaunt of Seamer, County, Suffolk . He purchased 'Benham-Valence' and other properties in Berks, and bought 'Bryanstone,' Dorset, which became the principal seats of the family. He was the entailed Lord of the vast Furneaux estates, and is alleged to have earned and received Knighthood, through recognitin of military service performed. Besides his numerous entailures, he amassed a very considerable personal property; and altogether, was the representative of one of the wealthiest families of his section of England.

He died April 10, 1441 at Bryanstone, and their quartered escutcheon was carved on the tablet of his tomb in St. Martin's Church. His will was dated 21 Sept and prov. 10 Nov., the year of his death; and afterward the prefix of 'Fitz' to the Roger name was dropped and ultimately a terminal "s" added. Because of his great riches, ability, and prominence; he has generally been accredited as the known Rogers patriarch of England, instead of his father.