Definition of "natheless"

And if he doth not return, this Wilfred may natheless repay us our charges when he shall gain treasure by the strength of his spear and of his sword, even as he did yesterday and this day also.

1819, Sir Walter Scott, Ivanhoe

With the first light she laughed, and the last light Glows round her still; who natheless in the night At length must make an end.

1871, Dante Gabriel Rossetti, Sunset Wings, lines 18–20

He had tortured the lady with exceeding tortures, natheless she would not confess to him aught […] .

1885, Sir Richard Burton, “Night 13”, in The Book of the Thousand Nights and a Night