I took the boys in for Israel's 4 year and Samuel's 6 month check up. Samuel is 7 1/2 months actually. Israel finally hit the 30 lbs mark at 4 and Samuel is 17lbs 1 oz at 7 months. He remains our biggest baby. Nairi and Israel were 17 lbs at 12 months and Keira was 17 lbs at 9 months.