[Footnote: 1. The Hon. Augusta Byron, Byron's half-sister (January,
1783-November, 1851), was the daughter of Captain John Byron by his
first wife, Amelia d'Arcy (died 1784), only child of the last Earl of
Holderness, Baroness Conyers in her own right, the divorced wife of
Francis, Marquis of Carmarthen, subsequently fifth Duke of Leeds. After
the return of Captain and Mrs. Byron to London early in 1788, she was
brought up by her grandmother, the Countess of Holderness. When the
latter died, Augusta Byron divided her time between her half-sister,
Lady Mary Osborne, who married, July 16, 1801, Lord Pelham, subsequently
(1805) Earl of Chichester; her half-brother George, who succeeded his
father as sixth Duke of Leeds in 1799; her cousin, the Earl of Carlisle;
and General and Mrs. Harcourt. From their houses her letters during the
period 1803-7 are written. In 1807 she married her first cousin, Colonel
George Leigh of the Tenth Dragoons, the son of General Charles Leigh, by
Frances, daughter of Admiral the Hon. John Byron. By her husband, who
was a friend of the Prince Regent and well known in society, she was the
mother of seven children. Their home was at Newmarket, till, in April,
1818, they were granted apartments in Flag Court, St. James's Palace,
where she died in November, 1851.

Augusta Byron seems scarcely to have seen her brother between his
infancy and 1802. Lady Holderness and Mrs. Byron were not on friendly
terms, and it was not till the former's death that any intimacy was
renewed between the brother and sister. Writing on October 18, 1801, to
Augusta Byron, Mrs. Byron says, in allusion to the death of Lady
Holderness,