While processing relationships in the gedcom some additional information was found which may be relevant.
Date: 11 DEC 1737
Place: Old Swede's Church (Holy Trinity Church), Wilmington, New Castle Co, De
Note: per marriage records of the Holy Trinity (Swede's) Church of Wilmington, Delaware. Note that an article in "The Journal of the American-Irish Historical Society" lists this marriage on page 189, among others that indicate the presence in Delaware of Irish settlers. The large influx of Irish settlers to the area started around 1745 but there were some there as early as 1720. Hendrickson would more likely be a Swedish or German-type surname.
It may be possible to confirm family relationships with Richard by comparing test results with other
carriers of his ancestors' Y-chromosome or mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Richard: