Complex sentence: Through his mother he was related to the biblical scholar John Kitto, his brother was Silas Hocking (1850--1935), also a novelist and Methodist minister, and his sister, Salome (1859-1927), was also a novelist.
Split into simpler sentences: Through his mother he was related to the biblical scholar John Kitto. His brother was Silas Hocking (1850--1935), also a novelist and Methodist minister, and his sister, Salome (1859-1927), was also a novelist.