Below is a Pedigree of Shardelowe. It is one page of a book called "Some Materials for a History of the Parish of Thompson in the County of Norfolk." Written in 1892, the Shardelowes are the most important family in it. It's the source of our family line from Robert Shardelow (1200-1255) to John Shardelowe (1399-1432), that's 7 generations.
The full book can be seen at archive.org, you'll see the Sharde/alow coat of arms on the front page:
Some Materials for a History of the Parish of Thompson in the County of Norfolk
It is a huge document but it can be downloaded in Adobe Acrobat format (.pdf) and it is searchable.