There are some submitted genealogies on this line. One has an Esq. after Francis Seymour's name. It has his birth location as being Of Berry, Pomeroy, Devonshire, England. His death date is 23 Dec 1761. No indication of burial location.
Three offspring are indicated here. Frances born about 1731, Henry (Esquire) born about 1729, and Mary born about 1733.
Francis Seymour's parents are Edward V, Seymour (Sir Baronet) born about 1663 Maiden Bradley, Wiltshire, England, death 29 Dec 1740 same location as birth. Edward's wife is Letitia Popham, born about 1627 Of Cunnington, Somersetshire. Her death is 16 Mar, 1714.
Edward V Seymour's father is Edward IV Seymour (Sir Baronet) born 1633 and he married Margaret Wale. Letitia Popham's parents are Alexander Popham, Sir Knight, born 1595, died 1669, and his wife is Letitia Carr born 1599.