When Ambert Moroni Jacobsen was born on 31 October 1905, in Bloomington, Bear Lake, Idaho, United States, his father, Andrew Moroni Jacobsen, was 23 and his mother, Mary Alice Thompson, was 21. He had at least 2 sons and 2 daughters with Hilda Elizabeth Soehnel. He lived in Rigby, Jefferson, Idaho, United States in 1920 and Justice Precinct 1, Jefferson, Texas, United States in 1940. He died on 11 January 2002, in Beaumont, Jefferson, Texas, United States, at the age of 96, and was buried in Beaumont, Jefferson, Texas, United States.