My husband, Henry (Hank) , has ancestors from Friesland with the surnames of BROERSMA--POSTHUMUS--LAANSMA--KATSMA--BAKKER-KUIPERS See rest of Friesian surnames below .
In 1810, Obbo Catharinus POSTHUMUS married a Gyrttie BROERSMA.They lived in Exmorra. Their son Pier Obes marriedBoukjen Tabes BORKES about 1838; and theirson Hinne married Maaike LAANSMA4/27/1876) Maaike and Hinnehad many sons, 6-8 and their son Pier married Jennie BAKKER daughter of Andrew and Louise KUIPERS BAKKER.
This is the family that emigrated from Friesland and came to the US.They settled in the Garfield/ Paterson area of NJ. (The LAANSMA line ended up in Michigan.)