whensoëver

But otherwiſe whenſoëver 10 Merchant-Ships ſhall bee ready at Gothemburg to bee convoyed, they ſhall do it without regarding the time.

1653, Christina, A Declaration of Her Sacred Majestie of Sweden, Concerning the Setling of Convoys about Gothemburg, London: […] W. D., page 5

But the truth indeed is, that partly with the ſhame and ſorrow ſhee took of her father’s faultineſs, partly with the fear, that the hate I conceived againſt him, would utterly diſgrace her in my opinion, whenſoëver I ſhould know her, ſo vehemently perplexed her, that her fair color decayed, and daily and haſtily grew into the very extreme working of ſorrowfullneſs:[…]

1655, Philip Sidney, The Countess of Pembroke’s Arcadia, the tenth edition, London: […] William Du-Gard, page 186

So many Kings as Vaſſals, to bee readie alwaies to aſsiſt with their Forces, whenſoëver they ſhould bee required, both by Sea and Land.

1663, John Selden, [Marchamont Nedham, transl.], edited by J[ames] H[owell], Mare Clausum; The Right and Dominion of the Sea in Two Books, London: […] Andrew Kembe and Edward Thomas, page 258