Wypkjen Wybes Tilstra, born circa 1768, died in Wonseradeel on August 28, 1824, aged approximately 56 years.

Wypkjen was married to
Lieuwe Rintjes Bangma, born in Arum on January 7, 1757, died in Pingjum on October 11, 1822, aged 65 years.

• 1 : Trijntje Lieuwes Bangma, born in Pingjum on January 21, 1790, died in Zurich on May 3, 1831, aged 41 years.
  Trijntje was married in Arum on March 26, 1813, at the age of 23 (1) to Klaas Piers Wallinga (aged 26 years), born in Arum on November 3, 1786, died there in the year 1821, aged 35 years.
  Trijntje was married in Witmarsum on January 20, 1827, at the age of 36 (2) to Ruurd Hobbes Ploegstra (aged 26 years), born in Pingjum on January 31, 1800, son of Hobbe Reinders Ploegstra and Anna Johans Heerpels, died in Almenum on March 26, 1846, aged 46 years.