At the age of nineteen while being a sophomore in the University of California, Knowland married the former Helen Davis Herrick, a childhood sweetheart who he met in sixth grade.<ref name="William E Knowland Is Apparent Suicide; Ex‐Senator Was 65"/> They had three children: Emelyn, Joseph, and Estelle. | At the age of nineteen while being a sophomore in the University of California, Knowland married the former Helen Davis Herrick, a childhood sweetheart who he met in sixth grade.<ref name="William E Knowland Is Apparent Suicide; Ex‐Senator Was 65"/> They had three children: Emelyn, Joseph, and Estelle. |