The Christian Muslim Forum, an organisation that promotes a better understanding between Muslims and Christians, has also recently produced ethical guidelines to help faith leaders give pastoral support.
Heather Al-Yousuf has contributed to these and works to help many inter-faith couples.
The Al-Yousuf's decided to bring up their children in both religions.
While the Qur’an acknowledges the possibility of a mutual attraction between a believer, man or woman, and a polytheist, it strongly recommends against such alliance.
My job is to guide her ” "In fact the ones that have been together for a long time, have been agonising about how to tell their families, how to deal with the fall-out, how to deal with the fact it may be forbidden in their faith or their communities' interpretation of the faith." While not promoting inter-faith marriage, the Christian Muslim Forum recognises the opportunity for the two faiths to have a dialogue about the subject.
Speaking at a recent inter-faith conference in Blackburn, Mrs Al-Yousuf told the audience: "There is a real duty to exhibit the best of our faiths, a tremendous amount of wisdom and discernment in dealing with people who are struggling, perhaps, with the issue of our times, which is this encounter between faiths." Imam Sahib of Bastwell Mosque in Blackburn, Lancashire, believes his role is to advise as best he can.
"I had this gut feeling, no I don't want to go there, I feel sick at the whole thing about Islam.
"But then I connected it to my husband and our families, not to those people who did that.