Does anyone have any information on the following family:

1920 United States Federal Census 1920 United States Federal Census

Name: JOHN C. HOLT
[Jehu C Holt]
Age: 29
Birth Year: abt 1891
Birthplace: Arkansas
Home in 1920: Houston, Le Flore, Oklahoma
Race: White
Gender: Male
Relation to Head of House: Self (Head)
Marital Status: Married
Spouse's Name: Gertrude Holt
Father's Birthplace: Tennessee
Mother's Birthplace: Missouri
Home Owned: Rent
Able to Read: Yes
Able to Write: Yes
Neighbors: View others on page
Household Members: Name Age

JOHN C. HOLT 29 b: abt. 1891 AR
Gertrude Holt 17 b: abt. 1903 LA
Neoma N Holt 6 b: abt. 1912 OK
George S Holt 4 b: abt. 1916 Ok

The census shows both Holt children's mother as born in Texas. Apparantley she died before 1920, but I don't know where. Would love to know what her maiden name was. The Gertrude on this census was their step-mother.