[1] His brother is Renforcer [ja], who won the 2011 Elm Stakes and 2012 Diolite Kinen.
He then picked up another win 2 week later in Kyoto, and then won the 2011 Arlington Cup.
[4] He placed 3rd at the Tokyo Sprint[4] in April, then won the Sakitama Hai in May.
He then retired after an 8th place finish at the 2015 Japan Breeding farms' Cup Sprint.
[3] Northern River's descendants include:[5] c = colt, f = filly, g = gelding