Harold had a partnership with Jasmine. As soon as he returned to the Raymond territory, Darius relayed this news back to the castle. Moreover, he knew Harold brought back quite a few novel goods from the royal capital that border territories like theirs hadn't seen, so Jasmine wasn't surprised to see Harold escorting the livestock to them.
Calculating the time, Harold must have set out from the royal capital as soon as the weather warmed up. It was just that Viscount Herbert seemed to still be staying in the royal capital, not returning to the Raymond territory with Harold.
