GoChi

Goku x Chi-Chi is the het ship between Son Goku and Chi-Chi in the Dragon Ball series.

Canon
Chi-Chi had a crush on Goku almost as soon as she met him when they were kids but Goku was oblivious to this. Chi-Chi thinks Goku promised to marry her. They meet later as young adults during the 23rd World Martial Arts Tournament and Chi-Chi is angered that Goku doesn't remember her. After Goku defeats her in their match she reminds Goku of their promise and Goku proposes to her.

Later, they get married and Chi-Chi gave birth their first son, Gohan, and later she gave birth their second son, Goten.

Fanon
Is a fairly popular ship due to being canon.