John Sidoli

John B. "Jack" Sidoli (1854 or 1855 – 3 November 1934) was an Australian rules footballer for Port Adelaide in the 19th century, noted for his versatility. He also played cricket for South Australia, and was a member of the Royal South Australian Yacht Squadron. He was both a football and cricket umpire.
Sidoli worked as a shipwright and blacksmith in Port Adelaide, initially working in a partnership as Hosie & Sidoli before founding his own business, Sidoli and Son; which he retired from in about 1931. He had one brother, Angelo Gabriel, and two sisters, A. Ringer and L. A. Quinn. Sidoli had three sons, Herbert, Jack and Arnold, and five daughters, Marion, Victoria, Madeline, Lorna and A. B. Mortimer.