 Isabel married Robert Vere de Vere, a colonial judge.Moule was a New Testament scholar who wrote over 60 books and pamphlets.He contributed the chapters on Paul's letters to the Romans, Ephesians, Philippians, Colossians and Philemon in the Cambridge Bible for Schools and Colleges (1891-98)  and also wrote poems on religious subjects; he won the Seatonian Prize at Cambridge for sacred poetry 1869–1873 and again in 1876.