The Ichijouji's are Ken's parents. They worry about him a lot especially when he goes 'missing' The Ichijouji's had a second son Sam but he was knocked down by a car and died.

When Ken tells them of the Digital World it's then they finally understand about Ken and let him go and do what they know had to be done.

The Inoue's are Yolei's paren'ts. They also have many other kids. They own a shop downtown. Yolei keeps getting the Digimon snacks from there :p. Yolei's oldest sibling/oldest brother is called Mantarou. Her oldest sister is called Momoe and her 2nd oldest sister is called Chizuru

The Hida's are Cody's parents and Grandfather (Chikara). Hiroki (Mr Hida) died while on his police duty. Chikara teaches Cody Kendo and know about the Digiworld to a certain extent. He also knew Yukio Oikawa since he was Hiroki's best friend. Cody's mum *when she is in the show* worries about him but it's Chikara who explains things to her and she lets him go