Individual Details

Looks to me as though the son Delbert was a child of Ella, the first wife, not Elizabeth Roberts as found in a databse. The marriage to Elizabeth is shown as 1891, when Delbert would have been about six years old.

1900 Census. Justice Prec 4, Grayson Co, TX, Hh 125 (brothers Silas and Simon on the same page)
Hillard Adamson. b. Apr 1848, age 52, married 9 years, b. Iowa, father b. TN, mothyer b. OH
Eliza A., wife, b. Feb 1848, 52, 9 children - 5 are living, b. KY, bather, b. TN, mother b. KY
Bessie V. Shropshire, ste-daughter, b. Feb 1885, age 15, b. KY
Emma C. Adamson, dau, b. Nov 1883, age 16, b. TX, father b. Iowa, mother b. TX
Delbert R., son, b. Nov 1885, 14, b. TX, father b. Iowa, mother b. TX
Marshall Mayhugh, cousin, b. Jul 1878, 21, b. MO

1910 Census. Tioga, Grayson, TX, Hh 20
Hillard Adamson, age 61, married 2 times, married 19 years, b. Iowa
Eliza A., wife, 62, married twice, 7 children - 6 are living, b. KY, father b. TN, mother b. KY
Delbert R., son, age 24, b. TX

Birth	4 Apr 1849	Iowa
Marriage	10 Jan 1883	Grayson County, Texas - Ella R. Moffard
Death	11 Jan 1925	Post, Garza County, Texas
Marriage		Collin County, Texas - Elizabeth Ann Roberts

Spouse

Elizabeth Ann Roberts (1847 - 1921)

Spouse	Ella R. Moffard ( - 1885)
Child	Emma C. Adamson (1883 - )
Child	Delbert Raymon Adamson (1885 - 1948)

Father	Eli Adamson (1820 - 1889)
Mother	Lucinda Hinkle (1826 - 1908)
Sibling	Silas Locke Adamson (1851 - 1927)
Sibling	Mary Jane Adamson (1852 - 1941)
Sibling	Simon Sanford Adamson (1863 - )