Fred C. Simpson and Lowell Minerva Groundwater were married in New Brunswick and later relocated to Connecticut possibly about 1896.

Their children were: Robert E.(1893), Sarah (1901), Walter C. (1903) and Fred.

In the 1900 census for New Haven it shows Fred(33)and Lowell(38) as being married 10 years. Their children Robert E. (7) and Frederick (5/12). Lowell is shown as having born three children but only two are living.

In the 1910 census, Frederick (43), Lowell (48), Robert E. (17), Sarah (9), and Walter (7). This time Lowell has born 5 children but only three are living.

In the 1920 census Frederick is married to Mary A.