compact: covenant, agreement

urg'd: repeated

bestow her: give her in marriage

had I the kingdoms to give with her/were I of all kingdomes King: Duke Signor thinks Orlando is so deserving that he would willingly bestow kingdoms along with his daugther. Rosalind has no dowry at all due to her father's exile, but even so Orlando thinks her so valuable that he would marry her were he of all kingdomes King.

matter even: straighten everything out