you pray one time, believe that God has heard your prayer and that He will answer, then you wait, you may not get the answer you are hoping for, But He will answer, It maybe yes, it maybe no, and it could be wait , if you pray to God and say God I want My x to be saved so that we can be a family , then the next day God has not moved yet, then you pray God I want my x saved that we can be a family, do you believe that God is deaf or That He didn't hear you the first time? smith wigglesworth, one of the if not the, founding father of the pentecostal movement that we know today, His father was crippled in a wheel chair, and when A preacher prayed over Him for healing, he would not let anyone else prayer for him , he said that God had heard that prayer and that God was going to heal Him, twelve years He claimed that God was healing him, wouldn't let anyone else pray for him, then one day he got up and walked away from that wheelchair and was healed.
1jo 5:14And this is the confidence that we have in him, that, if we ask any thing according to his will, he heareth us:1jo 5:15And if we know that he hear us, whatsoever we ask, we know that we have the petitions that we desired of him.
it is the will of God that your x comes to the saving knowledge of His Grace and mercy, through Jesus Christ
Jas 1:5If any of you lack wisdom, let him ask of God, that giveth to all men liberally, and upbraideth not; and it shall be given him.Jas 1:6But let him ask in faith, nothing wavering. For he that wavereth is like a wave of the sea driven with the wind and tossed.