John Hugenholtz
[de] Hans Hugenholtz
[es] John Hugenholtz
[eu] John Hugenholtz
[fa] جان هیوگن‌هالتز
[fi] John Hugenholtz
[fr] John Hugenholtz
[ja] ジョン・フーゲンホルツ
[mg] John Hugenholtz
[nl] Hans Hugenholtz
[pl] Johannes Hugenholtz