Estcourt’s grandfather and namesake, a younger son of the Gloucestershire family, settled at Salisbury and, as standing counsel to the corporation, served for the borough in five Elizabethan Parliaments. While Estcourt’s father was on his deathbed, the Wiltshire courtier Sir Thomas Gorges† sought a grant of his wardship, with a view to matching him with his own grandchild,
Estcourt had inherited the manor of Long Newnton, some ten miles south-west of Cirencester;
In November 1628 one of Charles I’s equerries was fined in Star Chamber for prosecuting Estcourt for the death of a woman whom he had kicked. Although the coroner’s inquest had found that the woman had died ‘Visititatione Dei’,
During the 1630s Estcourt clashed with the parishioners of St. Edmund’s, Salisbury, over possession of the churchyard, but by the time High Commission became involved in 1638 the matter had been amicably settled, as Estcourt had agreed to convey the churchyard to the parish.
