Alliance symbol, empty background, bold line, for kinship use.
<a href="//commons.wikimedia.org/wiki/User:CalendulaAsteraceae" title="User:CalendulaAsteraceae">CalendulaAsteraceae</a>
CC BY-SA 4.0
Own work based on: <a href="//commons.wikimedia.org/wiki/File:Alliance1-kinship.png" title="File:Alliance1-kinship.png">Alliance1-kinship.png</a>  and <a href="//commons.wikimedia.org/wiki/File:Alliance2-kinship.svg" title="File:Alliance2-kinship.svg">Alliance2-kinship.svg</a>