Noah

Genesis 6:28-30 tells us that after Noah was born Lamech, his father, had other children both sons and daughters. I wonder if Noah’s siblings also laughted at the Ark. I wonder if God gave the time after Noah and his family entered the Ark for his siblings to enter also. The flood, when the door was shut and the rain started, must have caused much heartache for Noah. Genesis 8: 16 relates that the Lord shut them in, suppose Noah would have waited longer for his siblings?