Lucea Maria Rüstmann, daughter of Johann Heien Rüstmann and Trienke Claassen , was born on 13 June, 1845, in Folstenhausen, Stedesdorf, Ostfriesland.

Lucea married unknown. They had four children: Heinrich Diedrich, Antje Margaretha, Trienke , and Carl .

Heinrich Diedrich Ruestmann was born on 29 April, 1873, in West Dunum, Dunum, Ostfriesland.

Antje Margaretha Ruestmann was born in 1875, in West Dunen, Dunum, Ostfriesland and died in 1875, in West Dunen, Dunum, Ostfriesland.

Trienke Ruestmann was born in 1875, in West Dunen, Dunum, Ostfriesland and died in 1877, in West Dunen, Dunum, Ostfriesland, at age 2.

Carl Ruestmann was born in 1878, in Osnabrueck, Hannover, Deutschland and died in 1881, in West Dunen, Dunum, Ostfriesland, at age 3.