Bev, look in the original documents; you can find them on FamilySearch, easy accessible throught
www.genver2.nl.
A scan of the birth certificate can be found easier on eindhoven.digitalestamboom.nl. Search for Thedorus Schellen and afther finding the correct record click "scan bekijken".
Theodorus is born on the 26th, but the declaration of his birth took place on the 27th of April.
His mother married in 1835 to Johannes Otto Bernard (in the database look for Johannes Henrica Schellen). At the Eindhoven site you can find the marriage certiticate (2 pages) and at the Family Search Site all marriage papers (Netherlands, Civil Registration, 1792-1952 Noord-Brabant Eindhoven Huwelijksbijlagen 1834-1835 image 296-300, same film as births, marriages and deaths).