Complex sentence: In 1613, it was agreed that a memorial stone should be set over his tomb: this was eventually put in place in 1631, with an inscription stating that his fame would "live for ever in the world".
Split into simpler sentences: In 1613, it was agreed that a memorial stone should be set over his tomb. This was eventually put in place in 1631, with an inscription stating that his fame would "live for ever in the world".