biens immeubles, estâtes, landed property
1. 24. connaître de, " avoir caractère pour juger ou faire des actes d'instruction en certaines causes" (Littré); to take cognizance of, to enquire legally into.
1. 27. les parlemerts du royaume, "the provincial parliaments ; " of which there were several, as that of Toulouse and others, which were suprême courts of law for their districts. That this is the meaning of the phrase is plainly shown by the words below (1. 33) "ces grands corps."