Here is Roland.
Son United States Census, 1900 https://familysearch.org/ark:/61903/1:1:M9HN-5RD
Son United States Census, 1910 https://familysearch.org/ark:/61903/1:1:M26Q-97L
United States World War I Draft Registration Cards https://familysearch.org/ark:/61903/1:1:29JN-WXR
Head United States Census, 1920 https://familysearch.org/ark:/61903/1:1:MHLK-DXX
Head United States Census, 1930 https://familysearch.org/ark:/61903/1:1:XMGP-GSC
Head United States Census, 1940 https://familysearch.org/ark:/61903/1:1:KWJF-9WN
United States World War II Draft Registration Cards, 1942 https://familysearch.org/ark:/61903/1:1:XPJJ-ZPD
United States Social Security Death Index https://familysearch.org/ark:/61903/1:1:J1LC-BNP
Texas Death Index https://familysearch.org/ark:/61903/1:1:JVNR-2Q3