His second marriage was in 1827 to Theresa John Cornwallis Whitby, the only daughter of Captain John Whitby RN, and Mary Anna Theresa Symonds.
Mary Anne Theresa Symonds was born in 1784, the daughter of the Royal Navy officer Captain Thomas Symonds.
His daughter was Mary Anne Whitby, his son was William Symonds, Surveyor of the Navy, and his grandsons included William Cornwallis Symonds, Thomas Symonds, and Jermyn Symonds.
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