Jakob Forbes of Corsindae

Jakob Forbes, till Corsindæ. Gick till främmande länder. Gift med Helena Lundi, friherredotter av Cusiknai. (Went abroad [from Scotland I presume], married Helena Lundi, baronesse of Cusiknai,

Is Lundi a genetive form of Lund? From Lund? What / where is Cusiknai?

Jacob of Corsindae (spelling with C instead of K), who went to foreign countries and married Helena Lundi, daughter of the Baron of Cusiknai. (p. 469).?

James Jakob Forbes, went abroad etc.

Jakob / Jacob / James?

James? William, 4th Laird, married Janet, daughter of William Forbes of Tolquhon, by whom he had two sons, James, his heir, and William, who went to Sweden, where (according to Allardyce) he married and had two sons, Arthur and Matthew, both Colonels in the Swedish army (but see p. 469 as to the real parentage of these two). Where it says:

The tree begins with William, 3rd Lord Forbes, who married Christian (Christina I assume) Gordon, and Duncan Forbes of Corsindae is given as his son. Duncan was actually the younger brother of William, 3rd Lord Forbes, both being sons of James, 2nd Lord. (See p. 295.) Duncan Forbes of Corsindae had a son, Jacob, who went to foreign countries and...

https://www.clan-forbes.org/house-of-forbes