Heimon in 1740

oohn had illeg sn Matts 23may1747 in Mustolax, father was Soldier Bengt Appelberg, how could the 1745 birth not be illeg.
1744-50 RK p 090 Mustalax “Sold. Ea”
1750-57 RK p 188 Mustolax (torpare och inhyses) Jäppilä tract, widow b 1712
1757-67 RK p 399 Hulkola torpare & inhyses, widow, b 1708
1760-70 LK p 358 Jäppilä Tracht, Oitila
1771-1780 RK (II) p 280 Hulkola torpare & inhyses b 1708

1729     Solld: Joh: Nysäin P. Susanna Heinotar Mustalameki : Dom:15p.T
which? or both?
1729     Solld: Joh: Joh:s. Nysäin P. Sus: Joh:dr Heinotar Varpaniemi Dom:14p.T

soldier