John Locke

From Calendar of Letter-Books of the City of London:

Custod' Will' i pueri Joh' is Lok.

22 Oct., 3 Edward IV. [A.D. 1463], came John Alburgh, Robert Twygge, John Broun, Richard Syffe, mercers, into the Court of the lord the King in the Chamber of the Guildhall, before Thomas Cook, the Mayor, and the Aldermen, and entered into bond with Robert Colwych, the Chamberlain, in the sum of £308 for the delivery of a certain sum of money and jewels to the Chamberlain for the time being, to the use of William, son of John Lock, the same having been bequeathed to the said William by his father or accrued to him by the death of John his brother.