Number + 世
世 (shì) is a measure word used to count generations or royal reigns, similar to English ordinals like "the 16th." It appears after a number to indicate which generation or monarch in a sequence is being referred to. It is commonly seen in historical or formal contexts.
路易十六世是法国大革命前的最后一位国王。
Lùyì shíliù shì shì Fǎguó dà gémìng qián de zuìhòu yī wèi guówáng.
Louis XVI was the last king before the French Revolution.
这个家族已经传了五世了。
Zhège jiāzú yǐjīng chuán le wǔ shì le.
This family line has been passed down for five generations.
亨利八世在英国历史上非常有名。
Hēnglì bā shì zài Yīngguó lìshǐ shàng fēicháng yǒumíng.
Henry VIII is very famous in British history.