Hi,
Yes, that is my line. Some of Thomas's line is in Queensland (He was born as Jansen) The parents got married actually on the 8 apr 1855 at Catholic Church West Terrace in Adelaide His father come over from Germany as Jansen (But changed it to Johnson, although one relative uses Johnstone) on the Wandrahm from Varel and is most probably Swedish has the wide variation in surname.
Peter