Peel married Julia Floyd (1795 - 1859) (daughter of General Sir John Floyd, 1st Baronet and his first wife Rebecca Darke) on 8 June 1820.
They had seven children:
Julia Peel (30 April 1821 – 14 August 1893).
She married George Child Villiers, 6th Earl of Jersey, on 12 July 1841.
They had five children.
She married her second husband, Charles Brandling, on 12 September 1865.

Sir Robert Peel, 3rd Baronet (4 May 1822 – 9 May 1895).
He married Lady Emily Hay on 17 June 1856.
They had five children.

Sir Frederick Peel (26 October 1823 – 6 June 1906).
He married Elizabeth Shelley (died 30 July 1865, niece of the poet Percy Shelley through his brother John) on 12 August 1857.
He was remarried to Janet Pleydell-Bouverie on 3 September 1879.

Sir William Peel (2 November 1824 – 27 April 1858).

John Floyd Peel (24 May 1827 – 21 April 1910).
He married Annie Jenny in 1851.

Arthur Wellesley Peel (3 August 1829 – 24 October 1912).
He married Adelaide Dugdale, daughter of William Stratford Dugdale and Harriet Ella Portman, on 14 August 1862.
They had seven children.

Eliza Peel (c. 1832 – April 1883).
She married Hon.
Francis Stonor (son of Thomas Stonor, 3rd Baron Camoys) on 25 September 1855.
They had four children.

Julia, Lady Peel, died in 1859.
Some of her direct descendants now reside in South Africa, the Australian states of New South Wales, Queensland, Victoria and Tasmania, and in various parts of the United States and Canada.
Peel married Julia Floyd (1795 - 1859) (daughter of General Sir John Floyd, 1st Baronet and his first wife Rebecca Darke) on 8 June 1820. They had seven children:
Julia Peel (30 April 1821 – 14 August 1893). She married George Child Villiers, 6th Earl of Jersey, on 12 July 1841. They had five children. She married her second husband, Charles Brandling, on 12 September 1865.
Sir Robert Peel, 3rd Baronet (4 May 1822 – 9 May 1895). He married Lady Emily Hay on 17 June 1856. They had five children.
Sir Frederick Peel (26 October 1823 – 6 June 1906). He married Elizabeth Shelley (died 30 July 1865, niece of the poet Percy Shelley through his brother John) on 12 August 1857. He was remarried to Janet Pleydell-Bouverie on 3 September 1879.
Sir William Peel (2 November 1824 – 27 April 1858).
John Floyd Peel (24 May 1827 – 21 April 1910). He married Annie Jenny in 1851.
Arthur Wellesley Peel (3 August 1829 – 24 October 1912). He married Adelaide Dugdale, daughter of William Stratford Dugdale and Harriet Ella Portman, on 14 August 1862. They had seven children.
Eliza Peel (c. 1832 – April 1883). She married Hon. Francis Stonor (son of Thomas Stonor, 3rd Baron Camoys) on 25 September 1855. They had four children.
Julia, Lady Peel, died in 1859. Some of her direct descendants now reside in South Africa, the Australian states of New South Wales, Queensland, Victoria and Tasmania, and in various parts of the United States and Canada.
Robert Peel