Looking for ANY info on the Charles Martin family in Hill County census of 1900. Charles born 1853 in New York, parents from Germany- names?. Wife Leslie born 1859 in Penn. Parents born in Penn.- names? Charles and Leslie married appx 1880 - where?

Children:
Mars born 1880 in TX - which county?
Claude born 1883 in TX - which county?
Loyd Knox born in 1884 in TX - which county?
Belle born in 1886 in MO - which county?
Ethel born in 1888 in MO - which county?

More importantly, where did all of these people go?

Loyd Knox Martin married Lorena Clara Harper Nov. 17, 1909 - not sure where. In the 1910 census, they are living in Bexar County. In the 1920 and 1930 census, they are in Henderson County. Loyd Knox Martin died Feb 1, 1942.

I have no other information. I would appreciate anything any one has to offer! Thanks.