Device track with timestamp

Configuration
1

{{ states.device_tracker | selectattr(‘state’, ‘eq’, ‘home’) | map(attribute=‘name’) | list | join(’, ') }}
How can i have ONLY one state in order that is in home with timestamp?
Can this be use last_time_reachable: ‘2022-08-08T09:49:03+01:00’?

2 
{% set own_devices = ['Nelson', 'Susana'] %}

          {% set devices = states.device_tracker
                | selectattr('state', 'eq', 'home')
                | rejectattr('name','in',own_devices)
                | map(attribute='name')  
                | list  %}
          {{ devices | list | join(', ') }}

How can i use rejectarr with timestamp for x minutes?

3

If i have 3 device_tracker with the same name how i show only one
ex: Hugo, Hugo, Augusto, Thor, Rodrigues, Hugo, Louis, Marta, Fiambre, Maria
I have 3 Hugo