Lovatts Holiday 70 Giant Cryptic

I am struggling to complete the Cryptic, and was hoping for a little assistance please.

15a Family member, for example, included in demotion R?L?G???R? I thought family member and for example = RELEG???R?

12d Ten rave about seasoned servicemen P???R?? I was thinking of ten = X and seasoned servicemen may = vets but can't solve it.

64a Real goose reads out misleading publicity A?O?A?A?D? No idea!??

67a Language used in paragraph in dictionary P?N?I Cannot find a word to fit.

65a Joker in rail carriage sees Wild West convoy (5,5) ?A?O?TRAIN

23a Rules for showers announced R?I??S Reigns fits but can't see how it would fit with clue.

Thank you to anyone who can help out. Emma-Kate