William was born on December 15th, 1801 in Keighley and his christening took place there on January 10th, 1802.1 William's father was John Foulds and his mother was Martha Taylor. He had three brothers and five sisters, named Jeremiah, Thomas, John, Molly, John, Elizabeth, Deborah and Grace. He was the fifth oldest of the nine children. He died at the age of 4 on August 10th, 1806.