I am looking for information on a Jacob R Buck .He married Melvira A. Manning, she was born in 1862 in Missouri. Their children are William Abraham (Will), Daniel Luther (Dan) , Rosa Mae, Aileen, Jesse R (Jess), Megadlenas (Maggie), Vera Eureka (Rick). I have heard that there is a tombstone in the Grapevine Cemetery, Tarrant County, Texas. for a Jacob R Buck, Born 11/28/1851 Died 7/19/1920. I would like to find out if this could be my great-grandfather.