Thanks for the feedback.
Content Translation uses the default editing surface that browsers provide, which makes it hard to deal with complex content such as templates. We are currently working on a new version of Content Translation with a more solid editing surface (the same Visual Editor uses). The new version is still in development but can be used already to translate articles.
The new editing surface enables us to improve the support for templates, but there are still some issues that need to be fixed. This is the list of issues related to references that we have identified in version 2. In particular, I created a ticket to capture the issue described by @Hans Haase. Feel free to add any details or make any corrections if I have not captured anything accurately (inspecting the German version of the article and the template information was not trivial since I don't know the language). If there are similar issues, I'd encourage to report since there are many factors into play and each case may be different (e.g., some templates are not connected through Wikidata, others may lack templateData, etc.).
@Doc James, regarding to the timing for the fixes, this is one of our priorities and we are already working in this area. You can check from the above list that several tickets are marked for the August-September period, which means we expect to complete them by the end of this month. Having said that, this is a complex area since templates were not made to be easy to convert across language-specific Wikipedias so technical difficulties may appear along the way.
In any case, improvements will happen only on version 2 since it will replace version 1 in the future. We encourage the more advanced users to start using version 2 and reporting what works and what does not in this area. Thanks!