Biography
Tijmen was baptised in 1691.
Research notes
Tijmen married to Marrigjen Lucas in 1736. He also married to Anna Spijkers in 1741. At both marriages he uses the name Keizer/Keijser and he was a widower. But for his first marriage there are multiple possibilities:
In 1707 a Tijmen Alberts married Jantjen Klaas in Kolderveen. He would've been 16, quite young. In 1713 a Tijmen Alberts had a daughter named Marrigjen baptised.
In 1714 a Tijmen Alberts who was a widower married Klaasjen Roelofs in Kolderveen. This could be the same Tijmen as the one in 1707.
In 1719 a Tijmen Alberts married Jantjen Lamberts. He was a young man so not the same person as the ones in 1707 and 1714. In 1720 son Albert Tijmens [Keijser] is baptised. In 1727 a daughter Jantjen is baptised.