Wanted - Royal Family

I am looking for royal family postcard, preferably sent from the country of origin with a sovereign head stamp/s. Both current and past royalties.

So far I have received from these countries
- Austria (former royal)
- Bahrain
- Belgium
- Bhutan
- Bulgaria (former royal)
- China (former royal)
- Denmark
- Japan
- Malaysia
- Monaco
- Netherlands
- Norway
- Philippines (former royal)
- Romania (former royal)
- Russia (former royal)
- Spain
- Swaziland
- Sweden
- Thailand
- United Kingdom
- USA (former Hawaii royal)

Looking for these and other missing countries
- Cambodia ?
- Iran (former royal)?
- Jordan ?
- Kuwait ?
- Morocco ?
- Qatar ?
- Saudi Arabia ?
- Tonga ?
- UAE ?

- Malaysia - Yang Di Pertuan Agong ?
- Malaysia - Perlis ?
- Malayisia - Kedah ?
- Malaysisa - Perak ?
- Malaysia - Selangor ?
- Malaysia - Negri Sembilan ?
- Malaysia - Pahang ?
- Malaysia - Terengganu ?

- other countries ?