As a courtier, Richardson held the post of Groom of the Privy Chamber under both Elizabeth I of England and James I of England. The epitaph on his family tomb, in All Hallows' Church, Tottenham, reads: "Here also resteth in peace the body of Sir Ferdinando Heyborne, Knight, justice of the peace and coram in the county of Middlesex.
As a courtier, Richardson held the position of Groom of the Privy Chamber under both Elizabeth I and James I of England. The inscription on his family's tomb notes: "Here also rests Sir Ferdinando Heyborne, Knight, justice of the peace and coram in Middlesex.