Ronaldus is not a popular first name. It is more often used as a boy (male) name.
First names and their meaning - Page 12044
Ronana
Origin: Breton. 
Ronana is not a popular first name. It is more often used as a girl (female) name. 
Ronanen
Origin: Breton. 
Ronanen is not a popular first name. It is more often used as a girl (female) name. 
Ronanez
Origin: Breton. 
Ronanez is not a popular first name. It is more often used as a girl (female) name. 
RonÄ—
RonÄ— is not a popular first name. It is more often used as a girl (female) name.
Rong-An
Rong-An is not a popular first name. It is more often used as a unisex (male and female) name.
Rong-Bao
Rong-Bao is not a popular first name. It is more often used as a unisex (male and female) name.
Rong-Bin
Rong-Bin is not a popular first name. It is more often used as a unisex (male and female) name.
Rong-Bing
Rong-Bing is not a popular first name. It is more often used as a unisex (male and female) name.
Rong-Chang
Rong-Chang is not a popular first name. It is more often used as a unisex (male and female) name.