Robert would appear to have come from the family which held property in Maiden Erlegh in Sonning, Berkshire, for he answered for a quarter of a knight’s fee in the manor of Whiteknights there at the assessment of an aid in 1401, and this estate was to be in the possession of his grandson Richard† when the latter died a century later.
Such acquisitions under his uncle’s auspices made Erle a person of some substance in Sturmy’s lifetime, while in addition he held for life a messuage in Charnham Street in Hungerford (apparently by gift of Thomas, Lord Berkeley), and property in Salisbury, notably a shop in Minster Street, and a corner tenement in Winchester Street.
While his uncle lived Erle was his right-hand man. He stood surety for Sir William in the Exchequer in 1403 and 1404,
Sturmy was elected to Parliament for the last of at least 12 times in 1422, with Erle once more attesting his return and standing surety for his attendance. The aged knight was to be supported in the Commons not only by Erle himself, sitting for Great Bedwyn (where they lived), but also by his illegitimate son John Sturmy* and his grandson John Seymour, both of whom sat for Ludgershall, a borough which Sir William leased from Queen Joan. Erle’s relations with these younger kinsmen always remained cordial. For instance, he provided mainprise for John Sturmy in the following year at his election for Marlborough.
While he remained at Wolf Hall until his death, Erle chose not to keep certain other properties Sir William left to him. Six weeks after Sturmy’s death the latter’s feoffees, headed by Bishop Polton, conveyed to Erle lands and tenements known as ‘Pykedwode’ in Aldbourne, Wiltshire, which Sturmy had purchased. However, eight years later the recipient and his wife relinquished possession to others, apparently acting in the interest of the bishop of Winchester.
Erle was not returned to Parliament again after his uncle’s death; nor (save for a single appointment as an assessor of the subsidy granted in 1428), was he appointed to public office. Nevertheless, he did do duty at home in Wiltshire as a juror at inquisitions post mortem held at Marlborough, doing so, for instance, in 1426 following the death of Elizabeth, countess of Huntingdon, in 1434 after that of Joan, Lady Cobham, and in 1438 after that of the son and heir of the earl of Arundel.
As ‘of Wolf Hall, esquire’ Erle took out a royal pardon on 5 Mar. 1446.
