A large majority of his works were dedicated to King Louis XIV.

His etchings were based on architecture and ruins he viewed in Constantinople, i.e. Istanbul of the Ottoman Empire.

[3] Prior to arriving in Istanbul, Grelot traveled with French merchant Jean Chardin, whom he met in Paris, to Persia in 1671.

However, a 1683 edition translated to English by a man known as John Philips mentions in the attestations within the introduction- "I should be [very unjust], [should] I [refuse Monsieur] Grelot my approbation of [those] excellent delineations which he is now making [public] to the world.

"[5] Referring to Grelot in the present tense hints at the fact that he is still alive at the time of publishing.