From the IGI:

• married 13 Feb 1774, Great Wakering, Essex, Christopher Shakespeare & Elizabeth Gundy

Other children of Christopher & Elizabeth:

• born 24 June 1774, South Shoebury, Essex, Elizabeth, d of Christopher & Elizabeth

• bapt 13 Jan 1782, Great Wakering, Essex, John, s of Christopher & Elizabeth

• bapt 25 July 1775, North Shoebury, Essex, Mary, d of Christopher & Elizabeth

• born 5 Oct 1787, bapt 19 Oct 1787, Great Wakering, Essex, Susannah, d of Christopher & Elizabeth

• born 16 June 1787, bapt 20 June 1787, Great Wakering, Essex, Sarah, d of Christopher & Elizabeth

• born 10 June 1784, bapt 13 June 1784, Great Wakering, Essex, William, s of Christopher & Elizabeth

• born 30 Jan 1786, bapt 12 Feb 1786, Great Wakering, Essex, William, s of Christopher & Elizabeth

• bapt 24 June 1774, South Wakering, Essex, Elizabeth, d of Christopher & Elizabeth

• born 15 July 1775, bapt 25 July 1775, South Wakering, Essex, Mary, d of Christopher & Elizabeth

This may be Christopher's baptism:

• bapt 8 Feb 1746, Southchurch, Essex, Christopher son of John Shakespeare & Mary Byam

John Shakespeare & Mary Biam married 16 Nov 1742, Southchurch, Essex

NB: A Christopher Shakespeare of Hythe, Kent, may be the Christopher bapt 1782 above)