Where should the commas be in these sentences?

Question

Jill my younger sister is 15

Brian who is 11 is 4 years younger than Jill

Answer 1

http://owl.english.purdue.edu/handouts/g...

The subject is Jill, who is your younger sister, and is 15.

Brian, who is 11, is 4 years younger then Jill.

Answer 2

Jill, my younger sister, is 15.

Brian, who is 11, is 4 years younger than Jill.

Hope that helps!

Answer 3

Jill, my younger sister, is 15.

Brian, who is 11, is 4 years younger than Jill.

Answer 4

Jill, my younger sister, is 15.

Brian, who is 11, is 4 years younger than Jill.

^_^