Name variants
![English](/Images/flags/small/gb.png)
Frederick II Casimir Courland
![English](/Images/flags/small/gb.png)
Frederick II Casimir Jacobson
![English](/Images/flags/small/gb.png)
Frederick II Casimir Jacobson Kettler
![English](/Images/flags/small/gb.png)
Frederick II Casimir Jacobson of Courland
![English](/Images/flags/small/gb.png)
Frederick II Casimir Kettler
![English](/Images/flags/small/gb.png)
Frederick II Casimir of Courland
![English](/Images/flags/small/gb.png)
Friedrich II Casimir Courland
![English](/Images/flags/small/gb.png)
Friedrich II Casimir Jacobson
![English](/Images/flags/small/gb.png)
Friedrich II Casimir Jacobson Kettler
![English](/Images/flags/small/gb.png)
Friedrich II Casimir Jacobson of Courland
![English](/Images/flags/small/gb.png)
Friedrich II Casimir Kettler
![English](/Images/flags/small/gb.png)
Friedrich II Casimir of Courland
![Latviešu](/Images/flags/small/lv.png)
Frīdrihs II Kasimir Ketlers
![Latviešu](/Images/flags/small/lv.png)
Frīdrihs II Kasimir Kurzemes
![International format](/Images/flags/small/un.png)
Friedrich II Kasimir Jaakonpoika
![International format](/Images/flags/small/un.png)
Friedrich II Kasimir Jaakonpoika Kettler
![International format](/Images/flags/small/un.png)
Friedrich II Kasimir Jaakonpoika von Kurland
![International format](/Images/flags/small/un.png)
Friedrich II Kasimir Jacobsson
![International format](/Images/flags/small/un.png)
Friedrich II Kasimir Jacobsson Kettler
![International format](/Images/flags/small/un.png)
Friedrich II Kasimir Jacobsson von Kurland
![International format](/Images/flags/small/un.png)
Friedrich II Kasimir Jakobsson
![International format](/Images/flags/small/un.png)
Friedrich II Kasimir Jakobsson Kettler
![International format](/Images/flags/small/un.png)
Friedrich II Kasimir Jakobsson von Kurland
![International format](/Images/flags/small/un.png)
Friedrich II Kasimir Kettler
![International format](/Images/flags/small/un.png)
Friedrich II Kasimir Kurland
![International format](/Images/flags/small/un.png)
Friedrich II Kasimir von Kurland