Annie Wershing's wardrobe of loose-fitting clothes including skirted tops and hanging scarves to obscure her being pregnant with her third child (born Nov 2018) was particularly noticeable in the scenes in her office.
Tamar and Darius's baby is named Xerxes. In the fifth century BC, Xerxes I (Xerxes the Great, who fought the Spartans at Thermopylae and destroyed Athens) was the son of Darius the Great.