There are two unidentified people on his farm/household 1. Maria ?Pekurin "H-?Nystmoor" born 1668 and "Sister ?Kirstin born 12.2.1732"...see p 116 of RK
1741-1751 RK p 116 Pekurila 1 ‘1678”

there are likely other children..these found in RK
1741-1751 RK p 116 Pekurila 1 “1680”