Question: Who is the paternal grandfather of Prince Karl Johann Of Liechtenstein?
Sentence (from "Johann I Joseph, Prince of Liechtenstein"): Johann I Joseph ("Johann Baptist Josef Adam Johann Nepomuk Aloys Franz de Paula"; 26 June 1760 – 20 April 1836) was Prince of Liechtenstein between 1805 and 1806 and again from 1814 until 1836.
Relevant evidence: No