Jan I think your Benjamin Tonks was christened in January 1800 and his parents were William and Mary. His siblings were Elizabeth 1795-97, Betty 1797, Marianne 1803, Isaac 1805 and Sarah 1807. In 1851 Benjamin Tonks, Malster age 51 was living in Wombourne, nr Wolverhamton with his wife Catherine 50, Catherine 13, and William 9. In 1861 Benjamin, Malster age 60 was living in Walsall with his wife Catherine and daughter in law Sarah. In both census Benjamin's birth place in given as West Bromwich and Catherine's as Cheadle in Staffs. I believe Benjamin died in 1878 age 78.
If you require further details of the census let me know.