Born on 19 November 1778 and christened on 5 August 1779 at the church of St Faith in Havant, Hampshire,[REF] he was legally the son of Rear-Admiral Charles Webber (1722-1783) and his second wife Anne Vining Heron (1748-1805).
His legal father's brother, the Reverend William Webber (1724-1790), Canon Residentiary of Chichester Cathedral, was the husband of Anne Smith (1731-1806), his probable father's sister, and these two were parents of his first cousin, the Reverend Charles Webber who became Archdeacon of Chichester.