她也改信罗马天主教了。

She, too, was a convert to Roman Catholicism.

《柯林斯英汉双解大词典》

英格兰在16世纪正式从信仰天主教改信新教。

England shifted officially from a Catholic to a Protestant faith in the 16th century.

《柯林斯英汉双解大词典》

他们让她从小就信天主教。

They raised her (as) a Catholic.

《牛津词典》

Bishops at this time,especially of major cities, would sometimes send around what we call a paschal letter, an Easter letter. In which they'd give instructions or different kinds of things to their churches.

当时的主教，特别是主要城市的主教，会发出所谓的复活节书信，信里写着给其他教会的指示,或者其他事情。

耶鲁公开课 - 新约课程节选