(John) William and Cecilia (Morris) Parkyn, with their three eldest children, Gladys, Lilian, and (baby) Ernest, in about 1900. Your grandfather, Trevor, would be making his debut in about a year.
Courtesy of A Hoskins (Facebook).

Left to right: (John) Ernest Parkyn, (William) Trevor Parkyn, Gladys (Parkyn) Melka, (Lionel) Eric Parkyn, (John) William Parkyn and his bride Cecilia, and Lilian (Parkyn) Shields. Spring Prairie, Walworth County, Wisconsin. August 1941.
Photo courtesy of S Koontz, Facebook