Sakuliu has discovered several family names in the northern Paiwan tribe of Ravar that describe natural phenomena of great power, with such meanings as earth, sea, earthquake, avalanche, thunder, etc.
撒古流還發現北排灣「拉瓦爾」群（Ravar）有幾個家名，都是描寫力量強大的自然現象。像「土地」、「海」、「地震」、「崩落」、「雷」等。