Fotherley came from a minor gentry family which was resident by 1544 in the small market town of Rickmansworth, in southern Hertfordshire. His mother died in 1584 when he was just four years old, at which time his father was one of the local churchwardens.
Fotherley married the sister of Northumberland’s gentleman of the horse, (Sir) John Hippisley* in 1617. The following year he paid £1,300 for the Lincolnshire manor of Fleet, which he purchased from the royal favourite, George Villiers, marquess of Buckingham.
In March 1624 Fotherley received a grant of arms,
During the war years of the 1620s Buckingham frequently dipped into his own pocket to supplement the limited resources of the Exchequer. However, the duke’s purse was not always full, and consequently, during Buckingham’s absence at the Ile de Ré, Fotherley was plagued with urgent demands for money by Sir James Bagg*, who was trying to victual the navy’s ships at Plymouth.
Before the general election of 1628, Buckingham again provided his servant with a letter of recommendation,
Fotherley lent the king £500 in May 1641.
