Gertrude Svensdotter, born c. 1638 in Sweden, married the New Sweden soldier Jonas Nilsson in 1654 and died in Kingsessing c. 1695, survived by eleven children:

1. Nils Jonasson, born in 1655, died at Aronameck in 1735. Married Christina Gästenberg c. 1683; 8 children.
2. Judith Jonasdotter, born c. 1658, died at Manatawny, Berks County in 1727. Married Peter Petersson Yocum by 1676; 10 children.
3. Gunilla Jonasdotter, born c. 1661, died in Gloucester County NJ. Married Måns Petersson Cock in 1680; 7 children.
4. Måns Jonasson, born 1663, died at Manatawny 1727. Married Ingeborg Lycon c. 1690; 6 children.
5. Anders Jonasson, born c. 1666, died at Aronameck 1728. Married Catharina Boon by 1691; 9 children.
6. Christina Jonasdotter, born c. 1668, married (1) Frederick King 1686; (2) Nicklas Lindemeyer 1700; 7 children.
7. John Jonasson, born c. 1670, died after 1738. Married Catharina Lock 1693; 5 daughters.
8. Peter Jonasson, born c. 1673, died after 1697; no known issue.
9. Jonas Jonasson, born c. 1675, died at Kingsessing 1738. Married Anne Amesby 1702; 7 children.
10. Brigitta Jonasdotter, born 1678, died in Blockley Township 1753. Married Mårten Garrett 1703; 5 children.
11. Jonathan Jonasson, born c. 1681, died at Kingsessing 1748. Married Mary; 2 children.

RECORD:

1. Peter Stebbins Craig and Henry Wesley Yocom, Yocums of Aronameck in Philadelphia, 1648 - 1702, The (National Genealogical Quarterly Vol. 71 No. 3 December 1983), pg. 248.

Swedish Colonial News Vol. 1 No. 15 (Spring 1997)  ?updated version??. 

"Jonas' wife Gertrude, was also a formidable woman. Her outspoken critism of defamatory remarks by the English against the Swedes was at least once the subject of court notice."