Christopher Knapp had 4 brothers and 1 sister. One of the brothers was William Franklin Knapp (1874-1950). He edited and published Noels' 'History of the Brethren'. The others were Louis 1868-1942; George 1872-1907; & Albert Julius 1877-1937. His sister was Margaret 1866-1940. Christopher's parents were Louis (Lewis) Knapp, 1841-1913 & Catherine Ost, 1843-1927.