I don't know if this little bit of info will help you, but it may give you some leads.
ILL marriages:L.L.King to Anna M. Parker on 29 March 1888 in Clark Co. IL, Bk. G, pg. 425
In 1910 the family is in Washington Co., OK:
Jackson twp., pg. 62, ED 256, sheet 3a, 18 April:
Lamb L. King, 44, married once 22 years, b. IL, father OH,
mother Indiana, odd jobs
Anna, wife, 38, 12 children/4 living,IL IL OH
Clifford, son, 20 IL
Abbie Wolfe, dtr., 18, widowed, 1 child/l living, IL
Reba King, dtr., 16 IL
Edith King, dtr., 10 IL
Maud Wolfe, granddtr., 3 IL
Creek Co. marriages:Clifford L. King, 26 of Oilton, to
Mrs. viola Florence Hooten, 35 of Oilton, on25 August 1916, S Bk 6, pg. 574(I think "S"means Sapulpa)
Oklahoma district court records record Clifford's marriage as Clifford L. King to Florance Heston on 25 August 1916, MLI-2006-00574, Creek Co. OK
SSDI:Clifford King b. 14 June 1889, died Sept. 1958
at 74052 Oilton, Creek Co., OK. #444-05-9866 issued OK.
In 1920 Lemuel & Anna are in Creek Co., OK, with Clifford and wife Viola living next door.No children in Lemuel's household, nor in Clifford's.