He was born in a distinguished family of Amsterdam, son of the merchant Joost Baeck and Magdalena van Erp, sister-in-law of P.C.
Hooft, while his grandfather Laurens Baeck was a close friend of Joost van den Vondel.
He was a member of the theater company Nil volentibus arduum and later of "In Magnis Voluisse Sat Est".
His most remarkable work is a collection of sacred hymns.
A collection of his poems (Mengel-poëzy) was published by Van den Broek, Amsterdam, in 1737.