Aneas Montague was mentioned in the 8 February 1810 will of his father, John Montague, proved on 21 May 1810. [Essex County, Virginia, Will Book 17, pages 169–171.]

Æneas Montague was mentioned in the 19 May 1815 will of his mother, Mary Montague, proved 18 September 1815. [Essex County, Virginia, Will Book 18, pages 207–208.]