She had three children by Lord Edward Fitzgerald: Edward Fox (1794-1863); Pamela, afterwards wife of General Sir Guy Campbell; and Lucy Louisa, who married Captain Lyon, R.N.
In 1875 he married Lucy, daughter of John Lane of Barbados.
Why don't you turn your attention back to Lucy there?
Doubtless the judge was the son of John Howard of Wiggenhall, living about 1260, whose widow Lucy, called by the genealogists the daughter of John Germund, was probably the wife of John Germund by her second marriage.
Lucy, The Molly Maguires of Pennsylvania; (London, n.d.); The Commonwealth versus John Kehoe et al.