Also called Tailored Blanket Stitch according to Sarah's Hand Embroidery Tutorials and in French, according to Mattia, Torso Festoon Point. No Swedish name to my knowledge.
Work it like this:
The closer you work the stitches the 'knottier' the line becomes.
Keep the tension, and avoid having to unstitch - it's a knotty stitch!
Homework, as usual, add stitches to these three pieces.