Complex sentence: In 1872 he founded his own paper, "De Standaard" ("the Standard") this paper would lay the foundation for the network of reformed organization, (the reformed pillar), which Kuyper would found.
Split into simpler sentences: In 1872 he founded his own paper, "De Standaard" ("the Standard"). This paper would lay the foundation for the network of reformed organization, (the reformed pillar), which Kuyper would found.