Modify the given text to be consistent:
Jump up ^ Some historians consider Shajar al-Durr as the first of the Mamluk Sultans. To them Qutuz was the fourth Mamluk Sultans and not the third.
Jump up ^ Some historians consider Shajar al-Durr as the first of the Mamluk Sultans. Thus, to them Qutuz was the fourth Mamluk Sultan and not the third.