Hi sharna1506 my daughter started to stand up when she was 7 months old and started to climb when she was 7 monthd old as well and that is very good if your son can do that already and I bet he loves to climb over anything and before you know it he will be walking around the house.
My little fellow is doing the same, he is now able to stand unasisted for a few seconds he is 7 months.
My older son was also early he walked at 9 months and I feel Ratu will do the same.
My other children were dong this much later!
I guess it just depends on the child!