Changes

|party=[[Republican]]

|party=[[Republican]]

|spouse=Helen Davis Herrick (div. 1972)<br>Ruth Ann Dickson

|spouse=Helen Davis Herrick (div. 1972)<br>Ruth Ann Dickson

|children=Three (along with two stepchildren)

|children='''Three''':<br>Emelyn Knowland Jewett (1928–1988)<ref>[https://www.findagrave.com/memorial/166944437/emelyn-knowland-jewett Emelyn Knowland Jewett]. ''Find a Grave''. Retrieved August 22, 2021.</ref><br>Joseph William Knowland (died 2019)<br>Estelle Knowland

'''Two stepchildren'''

|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>

|alma_mater=[[University of California, Berkeley]]

|alma_mater=[[University of California, Berkeley]]