 It takes its name from the statues of saintly royalty which form part of its decoration , and is the oldest work in churrigueresque style in Mexico , taking 19 years to complete . At the bottom , from left to right , are six female royal saints : Saint Margaret of Scotland , Helena of Constantinople , Elisabeth of Hungary , Isabel of Portugal , Empress Cunegunda and Edith of Wilton . In the middle of the altar are six canonized kings , four of whom are : Hermenegild a Visigoth martyr , Henry II , Holy Roman Emperor , Edward the Confessor and Casimir of Poland . Above these four are Saints Louis of France and Ferdinand III of Castile . In between these kings an oil painting of the Adoration of the Magi by Juan Rodriguez Juarez shows Jesus as the King of kings . The top portion features a painting of the Assumption of Mary as celestial queen flanked by oval bas reliefs , one of Saint Joseph carrying the infant Jesus and the other of Saint Teresa of Ávila with a quill in her hand and the Holy Spirit above her , inspiring her to write . Above this are figures of Jesus and Mary among sculptures of angels crowned with an image of God , the Father . 
 It <a href='uninflect' title='1'><mark>takes</mark></a> its name from the statues of saintly royalty which form part of its decoration , and <a href='drop_aux' title='2'><mark>is</mark></a>the oldest work in churrigueresque style in Mexico , taking 19 years to complete . At the bottom , from left to right , <a href='drop_aux' title='3'><mark>are</mark></a>six female royal saints : Saint Margaret of Scotland , Helena of Constantinople , Elisabeth of Hungary , Isabel of Portugal , Empress Cunegunda and Edith of Wilton . In the middle of the altar <a href='drop_aux' title='4'><mark>are</mark></a>six canonized kings , four of whom <a href='drop_aux' title='5'><mark>are</mark></a>: Hermenegild a Visigoth martyr , Henry II , Holy Roman Emperor , Edward the Confessor and Casimir of Poland . Above these four <a href='drop_aux' title='6'><mark>are</mark></a>Saints Louis of France and Ferdinand III of Castile . In between these kings an oil painting of the Adoration of the Magi by Juan Rodriguez Juarez <a href='uninflect' title='7'><mark>shows</mark></a> Jesus as the King of kings . The top portion <a href='uninflect' title='8'><mark>features</mark></a> a painting of the Assumption of Mary as celestial queen flanked by oval bas reliefs , one of Saint Joseph carrying the infant Jesus and the other of Saint Teresa of Ávila with a quill in her hand and the Holy Spirit above her , inspiring her to write . Above this <a href='drop_aux' title='9'><mark>are</mark></a>figures of Jesus and Mary among sculptures of angels crowned with an image of God , the Father . 
It take its name from the statues of saintly royalty which form part of its decoration , and da oldest wrk in churrigueresque style in Mexico , taking 19 years to complete . At the bottom , from left to ryte , six female royal saints : Saint Margaret of Scotland , Helena of Constantinople , Elisabeth of Hungary , Isabel of Portugal , Empress Cunegunda and Edith of Wilton . In the middle of tdaaltar six canonized kings , four of whom : Hermenegild a Visigoth martyr , Henry II , Holy Roman Emperor , Edward the Confessor and Casimir of Poland . Above dese 4 Saints Louis of France and Ferdinand III of Castile . In between tdemkings an oil painting of the Adoration of thdaagi by Juan Rodriguez Juarez show Jesus as the King of kings . The top portion feature a painting of thedasumption of Mary as celestial queen flanked by oval bas reliefs , one of Saint Joseph carrying the daant Jesus and the other of Saint Teresa of Ávila witt a quill in her hand and the Holy Spirit above her , inspiring her to write . Above dis figures of Jesus and Mary among sculptures of angels crowned witt an image of God , the Fdaer .