age of child when deciding not to see the other parent

My sisterhas been separated from her boyfriend for many years now,they have an 11yr old son who does not look forward to visiting his dad,what age can he decide not to visit any more

My 15 year old son (almost 16 years old) has had no relationship with his birth father for over a year. His birth father has married a woman 25 years younger than him, that has two children by two different men and got pregnant with his father which he now has two babies less than 1 year apart (12...

My husband and I are divorcing , my ten year old son refuses to see me help

At what can a child choose a parent in the state of Oregon? If the parent she wants to live with lives in Idaho, does it go by there law?

At what age can a child who's parents have separated choose which parent they live with?