My Fi has 4 little sisters who live two states away with his father. Last he spoke with him, just his father was planning on attending our wedding. Fi and his father are not on the best of terms, so Fi doesn't really feel comfortable bringing up the fact that he really wants his little sisters there. Would it be out of line for me to call his father and ask what it would take, either car rental or extra money, for him to bring them? We are already paying for his 19 year old sister to fly in, but I can tell it upsets him that his littlest sisters won't be there (they are 17,16,10&8). He has 8 little sisters, he adores them and they love their big brother, but they rarely get to see each other and I know it mean a lot to him to have them there.