If I had a brother I'd like him to be
 Happy, good looking, cheerful, and free
 
 If I had a sister I'd like her to say
 She'd be my best sister day after day
 
 If my brother was older I'd like him to be
 Protective like king Arthur and always mind me
 
 If my sister was older I'd like her to be
 A shoulder to cry on a true friend to me
 
 Now if my brother was younger and I was the boss
 I'd let him keep worms and bright green frogs
 
 And as for my sister been younger than me
 We would dress up with crowns make up and gowns
 
 But as I have neither I don't have to bother
 About having a sister or brother

Source: https://www.familyfriendpoems.com/poem/sisters-and-brothers