In 1966, Christian married Robyn Cheryl Plant, and the couple went on to have two children.[3]
Rugby league
During the 1965 Kangaroo tour of New Zealand Christian played on the wing in both Test matches against Australia. While playing for Otahuhu in 1966, Christian was awarded the Lipscombe Cup for Premier One sportsman of the year. However, injury caused him to miss the 1968 World Cup.[4]
During the 1969 Kangaroo tour of New Zealand Christian played on the wing in the 2nd Test victory against Australia. He was then part of the Auckland side that defeated the tourists.[5] He was appointed captain of the New Zealand national side in 1970 and played in that year's World Cup.[4]
During the 1971 Kangaroo tour of New Zealand Christian captained New Zealand from centre in the Test match victory against Australia at Carlaw Park.[6] Also in 1971, his Kiwis side became the first New Zealand touring team to win a test series in Britain.[7] The 1972 World Cup was the last time Christian represented New Zealand.[8] He retired with little fanfare as no test matches were scheduled for 1973.[4] He had played in 74 matches for the Kiwis, including 32 tests. After retirement Christian served as the Otahuhu Leopards chairman.