In 1865, Comstock married Cornelia Guild Davis, the daughter of Daniel Guild, one of the pioneers of the Grand River Valley. They had two daughters, Etta (Mrs. Lucius Boltwood) and Clara (Mrs. Huntley Russell) (1866–1935).
In 1865, Comstock wedded Cornelia Guild Davis, the offspring of Daniel Guild, one of the trailblazers of the Grand River Valley. They had two daughters, Etta (Mrs. Lucius Boltwood) and Clara (Mrs. Huntley Russell) (1866–1935).