Coat of arms of the counts of Loon and Chiny from house of Heinsberg.
Arms of Heinsberg  quartered with Loon and Chiny 

Blazon: Quarterly, I and IV gules a lion rampant argent, queue fourchée crossed in saltire; II and III barry of ten Or and gules impaling gules crusily fitchy two barbels addorsed Or.
SVG elements from
Ipankonin