The last known MIR-document in which Bautista Van Schouwen had personally participated was the situation-analysis of December 1973 authored by the Secretariado of MIR (the MIR executive committee, led by Miguel Enríquez).
The municipality of Duiveland was created in 1961 from the former municipalities of Nieuwerkerk, Ouwerkerk, and Oosterland.
Two of his sons Miguel Enríquez, and Edgardo Enriquez along with his ex-son in law Bautista van Schouwen (all three leading members of the MIR) were assassinated in the first period of the Pinochet dictatorship.
Pieter Zeeman was born in Zonnemaire, a small town on the island of Schouwen-Duiveland, Netherlands, to Catharinus Forandinus Zeeman, a minister of the Dutch Reformed Church, and Willemina Worst.