Ruben Freeman must be Robert Dock Freeman b July 30 1913 d 22 Dec 1961 in Hill County Texas buried in Whitney. The cemetery record of Bethlehem Cem says R J Freeman b 30 July 1918 but I think the 8 must be a 3 as the death date is the same.
Sylvester Freeman b 21 July 1915 d 11 June 1921 in Morse OK.
Ernest Grover Freeman b 17 March 1921 d 22 Feb 1989 buried in Sunnylane Cem Ok Co OK.
Ruth M Freeman b 17 Nov 1920 d 2002 is also in Sunnylane.
Also in Sunnylane is Howard J Freeman b 2/1/1924 d 6/6/1978.Believe him to be son of Howard b 1902.
There is a Jessie L Freeman b 12/21/1908 d 2/3/2000 in the Sunnylane Cem.
There is one more Freeman in the Sunnylane Cem. He is Mont Freeman b 1904 d 1982 listed as a Pvt in US Army WW2.
Not sure how all are connected.
Robert Dock Freeman's death cert has a Bertha Mae Freeman's ssignature on it. Cert says he is married. She may be his wife but cannot tell from the Cert. Don't know how he became Robert - may he did not like Ruben !!!