It became a Military and Hospitaller Order circa 1098 A.D.
GRAND PRIORS OF NEW ZEALAND:
1963 Sir Leslie Munroe,KCMG, KCVO. KLJ, LLD.
1973 Lieutenant Colnel A.R. Hughes QSO, JP, GCLJ, KMLJ
1985 Squadron Leader L.J. Hill, JP, GCLJ, GCLJ, ACA, AMZIM
1992 The Honourable J.J. Walker CMG, JP, CGLJ, GOMLJ, FCA
1998 Dame Gweneth Halford-Bell, RRC, GCLJ, GCMLJ, BMLJ, SRN, RSCN, OHNC, NEd.