On 11 August 1750, Plymouth married Hon. Catherine Archer (d. 1790), eldest daughter of
Thomas Archer, 1st Baron Archer and Catherine Tipping. • Lady Catherine Sydney Windsor (1755–1823), who married
Sir James Tylney-Long, 7th Baronet, son of
Sir Robert Long, 6th Baronet and Lady Emma Child (daughter of
Richard Child, 1st Earl Tylney), in 1785. • Lady Elizabeth Windsor (1757–1821), who married Gore Townsend, son of Joseph Townsend, in 1776. • Lady Anne Windsor (1761–1793), who married Rev.
Sir Thomas Broughton, 6th Baronet, son of
Sir Brian Broughton-Delves, 4th Baronet, in 1787. • Lady Sarah Windsor (1763–1825), who married
Sir William Champion de Crespigny, 2nd Baronet. •
Andrews Windsor, 7th Earl of Plymouth (1764–1837), a minister who died unmarried. •
Henry Windsor, 8th Earl of Plymouth (1768–1843), who married Anne Copson, daughter of Thomas Copson, in 1798. When he died in 1771, Plymouth was succeeded by his son
Other. On the death of the 4th Earl's youngest son Henry, the earldom became extinct. The
barony of Windsor remained in abeyance until 1855 when the abeyance was terminated in favour of Lady
Harriet Windsor-Clive (third child and second daughter of the
5th Earl), who became the 13th Baroness Windsor. Her eldest son
Robert Windsor-Clive predeceased her and she was succeeded by her grandson,
Robert, 14th Baron Windsor, who was a prominent Conservative politician. ==References==