High, dating from 1400 to 1428, the Rententurm (1456) on the Main and the Kuhhirtenturm (c. 1490) in Sachsenhausen, are the sole remains.
Sachsenhausen on the south bank of the river, formerly the seat of a commandery of the Teutonic Order (by treaty with Austria in 1842 all property and rights of the order in Frankfort territory were sold to the city, except the church and house), is now a quarter of the city.
In the interior is the tomb of the German king Gunther of Schwarzburg, who died in Frankfort in 1349, and that of Rudolph, the last knight of Sachsenhausen, who died in 1371.
The Stadel Art Institute (Stadel'sches Kunstinstitut) in Sachsenhausen, founded by the banker J.
The suburbs of Sachsenhausen and Bockenheim have particularly developed considerable industrial activity, especially in publishing and printing, brewing and the manufacture of quinine.
Their influence can be clearly traced in the appeal to a general council, issued by Louis in 1324 at Sachsenhausen near Frankfort-on-the-Main.