Jonn, known by his village as Strong Jonn, is a man from the village of Rin. He is the husband of Jiller and the stepfather of Rowan and Annad.
Jonn was best friends with Sefton, Jiller, Marlie and Allun. He was devastated when Sefton was killed in a house-fire while saving Rowan.
He eventually developed feelings for Sefton's widow, Jiller, which were eventually reciprocated.
Rowan of Rin
Jonn is one of those who goes up the Mountain to restore the stream to Rin. It is plain from the beginning that he is in love with Rowan's mother, and promises Jiller that he will bring Rowan home safely to her no matter what happens.