|religion=[[Methodist]]<ref name="William E Knowland Is Apparent Suicide; Ex‐Senator Was 65">[https://www.nytimes.com/1974/02/24/archives/william-e-knowland-is-apparent-suicide-exsenator-was-65-knowland-is.html William E Knowland Is Apparent Suicide; Ex‐Senator Was 65]. ''The New York Times''. Retrieved April 22, 2021.</ref><ref>[https://politicalgraveyard.com/bio/knill-knowland.html#258.18.29 Knighten to Knowland]. ''The Political Graveyard''. Retrieved August 22, 2021.</ref> | |religion=[[Methodist]]<ref name="William E Knowland Is Apparent Suicide; Ex‐Senator Was 65">[https://www.nytimes.com/1974/02/24/archives/william-e-knowland-is-apparent-suicide-exsenator-was-65-knowland-is.html William E Knowland Is Apparent Suicide; Ex‐Senator Was 65]. ''The New York Times''. Retrieved April 22, 2021.</ref><ref>[https://politicalgraveyard.com/bio/knill-knowland.html#258.18.29 Knighten to Knowland]. ''The Political Graveyard''. Retrieved August 22, 2021.</ref> |