Join the top and bottom edges of the first picture to get the knot 819 (in Rolfsen notation). Notice that it is not alternating.
Join the top edge to the bottom edge to get 41, 83 and 31. More alambra knots.
Notice the curtain behind Henry VIII in Holbein's picture. The picture is in the Walker art gallery, Liverpool. Is there a connection between HenryVIII and the Alambra? From a design by Leonardo da Vinci?

This one is in the American Museum of Natural History.
This is 61