Passage: Even after Martinian's death, his monastery was protected and favoured by members of Ivan III's family. The most ancient structure, the Cathedral of Nativity of the Virgin (1490), was built in brick by the masters of Rostov. This edifice is the best preserved of three sister cathedrals erected in the 1490s in the Russian North. All the interior walls are covered with invaluable frescoes by the great medieval painter Dionisius. This is the last surviving Russian medieval church with fully painted walls.

Question: What after to the Cathedral of Nativity of the Virgin after a important death?
protected and favoured