 His only surviving sibling was his oldest brother, Benjamin Paul Stockwell.As a young man, Bowman Foster Stockwell served for a period of time as Secretary to the great missionary statesman, John R. Mott.In 1926, the Board of Missions of the Methodist Episcopal Church sent Reverend Bowman Foster Stockwell to teach in Buenos Aires, Argentina at the "Union Seminary", which was an institution for educating students in theology.