On 11th May 1807 apparently James Hawker married Ann Preece at St. Martin, Birmingham.
Benj’n not sure on his surname
This might be useful:http://www.bmsgh-shop.org.uk/Birmingham-St.-Martins-Parish-Registers-DMIMAGESBefore July 1837, when civil registration began, only the witnesses will be shown not parents; although a parent might be a witness it will not be noted as such.