The listed marriage date for Cornelius/Anne is 23 Dec 1720 in St. John's Parish, Baltimore Cty., MD. Source: "Maryland Marriages, 1634-1777", by Rob't Barnes, 1BA-226.
Jonas's dates are not yet confirmed but he was born on Skilpot Creek, Brandywine Hundred, Delaware. He and second wife Magdalena (Hansdotter), mar aft 1693,, are mentioned as surrendering their rights to 200A. on Skilpot Creek to Israel Peterson. Source: 1693 Census of the Swedes on the Delaware, by Peter Craig. First wife was Elizabeth Watson, mar abt 1675.