Which preposition to use with behalfe

of Occurrences 2%

In this time there came a messenger from the king of Rachim to this Portugal Captaine, who saide in the behalfe of his king, that hee had heard of the courage and valure of him, desiring him gently that he would vouchsafe to come with the ship into his port, and comming thither he should be very wel intreated.

unto Occurrences 1%

"Newes out of Holland: concerning Barnavelt and his fellow-Prisoners, their Conspiracy against their Native Country with the enemies thereof: The Oration and Propositions made in their behalfe unto the Generall States of the United Provinces at the Hage, by the Ambassadours of the French King," &c., 1619.

Which preposition to use with  behalfe