It has been researched by a friend, and the couple, the Melnyks, are Druids (the husband is linked with OBOD, a large Druid order here in the UK) and Wiccans, as well as being Episcopalian priests.
They're dicing with trouble if they're invoking the 'Queen of Heaven.' She ain't nice. God tells us to stay away from Pagan deities for a variety of reasons, and our own protection is one of them. We'd best pray for these people that they get saved. This 'exploring the sacred feminine' is a red herring; it's apostasy pure and simple. I'm sure this couple knows exactly what they're doing; they're not simply bumbling around because they've found something exciting. As Wiccans they will know EXACTLY what happens when you invoke a 'goddess.'
Jules