The latter seat was probably gained through the influence of his first wife's stepfather Sir John Mason.

His first wife, Frances Hill, was the daughter of Richared Hill of Hartley Wintney with whom he had three sons, including his heir George Byng.

His second wife was Mary Maynard, with whom he had three sons and a daughter.

One of them was the son William Byng (1586–1669), Captain of Deal Castle 1611–1642.

This article about a 16th-century member of the parliament of England is a stub.