His younger brother was the Reverend William Webber (1724-1790) who became a canon residentiary of Chichester Cathedral and chaplain to their cousin Charles Lennox, 3rd Duke of Richmond.
[1] At age 21 in January 1744, he was appointed by Admiral Thomas Mathews as Lieutenant of the 70-gun ship of the line HMS Elizabeth and was immediately involved in the battle with the French and Spanish fleets off Toulon on 11 February 1744.
With Canada secured, ships and soldiers were sent to the Caribbean where, in June 1762, Cerberus formed part of the British forces under Admiral George Pocock and his second in command, the then Commodore Augustus Keppel, which on 13 August 1762 captured the Spanish city of Havana.
[1][5] On 27 July 1769 at Havant he married Anne Vining Heron (1748-1805) and she had five children: Though the Admiral seems to have been a wealthy man at his death, his 35-year-old widow petitioned the Admiralty for a pension which, based on a Rear-Admiral's pay, was valuable.
[1] Her youngest child James was made William's heir, with the last name Smith added, which suggests that he was not the Admiral's biological son.