Family tree of the House of Blois from Theobald the Elder until the extinction of all cadet branches. The chart passes by a king of England, a king of Jerusalem, three kings and a queen of Navarre.
<a href="//commons.wikimedia.org/wiki/User:M_F_Gervais" title="User:M F Gervais">M F Gervais</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>