'Widow' in the Bible

"Rabbi," they said, "Moses made it a law for us: 'If a man's brother should die and leave a wife, but no child, the man shall marry the widow and raise up a family for his brother.'

But there came one poor widow and dropped in two farthings, equal in value to a halfpenny.

So He called His disciples to Him and said, "In solemn truth I tell you that this widow, poor as she is, has thrown in more than all the other contributors to the Treasury;