ORVILLE, Albert d’ (le Comte d’Orville, Dorville). Brussels 12.8.1621 — Agra 8.4.1662. S.J. Belgian Missionary. Son of a nobleman, joined Jesuits in 1646. Volunteered to China Mission and ordained in 1654, then prepared in Rome. In China 1658-61, returned with —> Gruber by land through Tibet to India, where A.d’O. died. Gruber reached Europe and supplied Kircher with a description of their journey, including the geographical observations of his companion.

Sources: Wikipedia with further references.