Newth was born in
Worcester, England, as the son of actor William Newth and actress Constance Tayler. He is married to illustrator and writer
Mette Newth, and was thus a son-in-law of
Fridtjof and
Lalli Knutsen. The couple settled at
Rykkinn in
Bærum, and had the children
Eirik Newth,
Hege & Torstein. ==Career==