This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
ErnstISA. Ernst Duke of SachsenAltenburg From nl org uploaded there by Knsterle claimed to be no PD author PDold Ernst Duke of SaxeAltenburg Files by User Knsterle from nl
Page 2023 Free-images.com. All images are Public Domain