I don’t think you can be a citizen of two countries except for Israel.
“I don’t think you can be a citizen of two countries except for Israel.”
—
From Wikipedia, on citizenship -
Nationality by birth
The Mexican Constitution states that Mexicans Citizens by birth are:[1]
persons born in Mexican territory regardless of parents’ nationality or immigration status in Mexico
persons born abroad of a Mexican Citizen born in Mexico
persons born to an individual after that person has become a naturalized citizen of Mexico
individuals born on Mexican merchant- or Navy ships or Mexican-registered aircraft, regardless of parents’ nationality
children born to Mexican Diplomats or Ministry of Foreign Affairs Personnel working overseas