Is there any geomantic stress in traveling for seven?

the first statement: Zhong Kui married seven sisters-ghosts want women to sit in sedan chairs, carry coffins, two lanterns and a Zhong Kui, but one of the seven people must be a woman to marry a sister, otherwise it is not taboo.

The second statement: seven men call seven ghosts off together, four coffins are carried, two black and white impermanence and one guide is also called seven ghosts.