Child stroller apparatus and child seat suitable for use on the same

A child stroller apparatus comprising:

• a first leg portion and a second leg portion;
• a handle frame having a side segment that is respectively connected pivotally with the first leg portion via a first pivot connection and with the second leg portion via a second pivot connection, the first pivot connection and the second pivot connection respectively defining a first pivot axis and a second pivot axis spaced apart from each other about which the first leg portion and the second leg portion are respectively rotatable relative to the side segment of the handle frame;
• a seat mount slidably assembled with the first leg portion, the seat mount being adapted to detachably engage with a child seat;
• and
• a linkage respectively connected with the side segment of the handle frame and the seat mount, whereby a sliding movement of the seat mount along the first leg portion is linked to a rotation of the handle frame relative to the first leg portion.