Here this refers to Mary Magdalene and the other Mary.
# behold
This marks the beginning of another event in the larger story. It may involve different people than the previous events. Your language may have a way of doing this.
If your language does not allow quotations within quotations you may translate this as a single quote. AT: "Tell others that Jesus' disciples came ... while you were sleeping" (See: [[rc://en/ta/man/translate/writing-quotations]] and [[rc://en/ta/man/translate/figs-quotations]])