[1] Great uncertainties were raised about whether his parents had two marriage ceremonies, or whether his mother was as with other children she conceived with his father a different/same but unmarried lady.
Shortly after the Lambeth marriage a certificate of the Berkeley ceremony was produced, having been recovered, it was alleged, under very strange circumstances.
In 1799, after the Earl announced his earlier marriage/ceremony, William Berkeley (commonly styled Viscount Dursley, the normal courtesy title for the heir apparent to the earldom) obtained leave (permission) to prove his legitimacy before the Committee for Privileges of the House of Lords, and in 1801 the Earl made a deposition giving full details of the Berkeley marriage.
In March 1811 the Committee for Privileges decided that the Berkeley marriage of 1786 was "not then proved" and that the petitioner's claim was not made out.
[4] He succeeded his father as Colonel of the Royal South Gloucestershire Light Infantry Militia in 1810 and commanded it until his death.