Perhaps the father's name was Sven Rudman, and this might be him in the Central Soldiers Registerhttp://www.ep.liu.se/databases/soldatregister/search.sv.aspx
Document number: VG-05-0090-1739
Regiment: Västgöta regemente
"Torp" number: VG-05-0090
The document number means he was soldier number 90 in Company number 5.
// Bo Johansson