In order to give his three younger sons lands to generate income for their support, Duke Christian I assigned to each of them small territories as appanages before he died.
Two magnificent three-story wings were built in the east and west connected by a wooden gallery on the courtside whose tower was provided with a tent roof.
He appointed Johann Theodor Roemhildt in 1726 as his "Hofkapellmeister" (head of the court musical establishment) a post he also held later in Merseburg.
From the sculptor Johann Michael Hoppenhaupt he ordered a Medaillenkabinett on his own design which represents today the single piece of original furniture in the museum in the Schloss Merseburg.
In 1735 he initiated the building of a duke's pavilion in Lauchstädt and in 1738 he had built the so-called High Water Art (German: Oberen Wasserkunst), a well-house and commercial house in Merseburg-Oberaltenburg.