Possible Clues:

• The blessed duets have got muddled. Can you begin to beat that one?
• Be these blessed positions enough to get the better of it at first?
• One union in debates spouting pious words
• Jesus' words of comfort for the poor in spirit etc: 'Go and renegotiate dues!'
• Get the better of it with blessed dues
• Skip ill-used religious sayings
• How 6 across may get suited for blessings
• They might all be blessed posing, by the sound of them
• They might, by the sound of them, be blessed poses (10)
• Blessed if they give it stick with their dues