siblings?

Trying to confirm that Anton below is a sibling - I think one of the witnesses looks to be the same? Jens Nielsen? Source information: Oslo county, Aker, Parish register (official) nr. 19 (1842-1852), Birth and baptism records 1844, page 62. Permanent pagelink: http://www.arkivverket.no/URN:kb_read?idx_kildeid=570&idx_id=570&uid=ny&idx_side=-78 Permanent imagelink: http://www.arkivverket.no/URN:NBN:no-a1450-kb20060301050078.jpg #288 Caroline Julie Source information: Oslo county, Rikshospitalet, Baptism register nr. K 0001.2 (1842-1847), Birth and baptism records 1842, page 11. Permanent pagelink: http://www.arkivverket.no/URN:kb_read?idx_kildeid=1866&idx_id=1866&uid=ny&idx_side=-11 Permanent imagelink: http://www.arkivverket.no/URN:NBN:no-a1450-kb20050829050911.jpg #103 Anton