Males, sans genitalia, are not that uncommon in medieval illustrative art. It was a choice made by multiple artists. In the VMs it seems simple. Those VMs characters drawn with breasts are female. The others are debatable on an individual basis. Hairstyles seem indicative, for example.
Yes, the VMs artist does have a sense of humor and is prone to trickery - the "mermaid" Melusine and others.
Yes, the VMs artist does have a sense of humor and is prone to trickery - the "mermaid" Melusine and others.