They had previously mentioned that Warren had outlawed people from wearing the color red. When Rebecca and Elissa testified against Warren they always wore an article of red clothing. Rebecca even wrote a book called The Witness Wore Red.
Elissa and Rebecca mention their two younger sisters and their fear that they would be underage brides. That fear came to pass. After the raid they found out both were married (one to Merrill Jessop who was married to two of their mothers sisters) and one was already a mother.