When Jairus picks up his daughter from the floor, his daughter's head is resting on his left arm. When he gets upstairs, his daughter's head is resting on his right arm.
In Season 1, Simon explains to his brother why he couldn't get steal any fish from a merchant fleet of fishing boats. He says that they "loaded up like clockwork". Clocks weren't invented until the 14th century in Europe. However, modernization of speaking conventions is covered in the text at the beginning of many episodes.